Marine Invertebrates

Echinoderms such as cucumbers are extremely sensitive to changes in the water quality. They require well established aquariums for both water stability and sufficient food supply.This earthy colored creature is a useful sand stirring animal, helping to clean and oxygenate the substrate. It ingests sand and digests any organic matter. Echinoderms such as cucumbers are extremely sensitive to changes in the water quality. They require well established aquariums for both water stability and sufficient food supply. Sand should be minimum 3 inches deep. It may grow up to 12 inches long and needs an aquarium at least 100 gallons.

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The octopus is a spectacular creature which is entertaining, intelligent, and unique. It can recognize and respond to its owner, quickly becoming a real pet. Toys and playthings such as plastic baby and bird toys with movable parts should be frequently rotated to keep the octopus's environment enriched.Octopus are recommended only for very experienced aquarists with a dedicated aquarium. A tightly sealed lid and covers over all intakes are required as the octopus can squeeze through any crevice larger than its beak, which is only a few millimeters across. Dim lighting and at least one good hiding place are necessary. Octopus prefer live prey, and are efficient predators of shrimp, crabs and fish. In time it may learn to accept frozen food such as krill. Freshwater feeder animals such as goldfish should never be used. It should be fed frequently, and requires very clean, well oxygenated water. Temperature should be 72-78F. An efficient protein skimmer is necessary. Octopus are extremely sensitive to changes in water quality. Stressed specimens may release an ink into the water.Most species available come from Florida and the Philippines and may grow approximately 8 inches. We recommend an aquarium no smaller than 50 gallons, preferably larger.

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Urchins have sharp teeth at their center which they use to scrape algae, including coralline algae. They are able to scratch acrylic so are recommended only for glass aquariums. Echinoderms such as urchins are extremely sensitive to changes in the water quality. They require well established aquariums for both water stability and sufficient food supply.A spectacularly colored creature, the Fire, or Red Radiating urchin is one of the most beautiful urchins available. It should not be touched, however, as its sting can be extremely painful. Care must be taken when working in the aquarium or transferring the animal. It eats both algae and meaty food; if there is not enough natural food available it may be fed dried algae sheets or fish food. It is typically collected from the Philippines and can grow to 6 inches.

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The elegant Tube anemone has extremely long and thin tentacles, and may grow up to 8 inches. Colored specimens are typically deep violet or bright pink. Unlike most other anemones, the Tube anemone is non-photosynthetic. Feeding should be at least every other day and consist of small meaty items such as Mysis shrimp and other fish foods. It prefers to hide its foot in the sand or stuck to rocks near the bottom. It encases its column with a protective sleeve of mucus, special threads and debris such as sand. During transport it may lose its tube but can create another one once it enters the aquarium. Numerous Tube anemones may be housed together creating a colorful display.Anemones have a central mouth surrounded by stinging tentacles which can capture small creatures and deliver them to the mouth. The sting is often quite strong and capable of damaging corals and injuring fish. Small fish such as firefish and dragonets may accidently swim directly into the anemone and be killed. The addition of a night light greatly aids fish in avoiding the anemones. The tentacles are often very sticky and can cause painful sores. Some animals are specially adapted to live within anemones, such as Periclimenes shrimp and Porcelain crabs. Although only distantly related to other anemones, the Tube anemone can still move about the aquarium. They can also float in the water to move quickly. Newly introduced specimens often wander before settling down. At any time it may relocate, and is prone to being sucked into powerheads; all pumps should be screened for safety. Its foot is delicate and should never be damaged. Protein skimming is recommended to oxygenate the water sufficiently. Stable water conditions are important, and anemones are only recommended for mature aquariums.

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Anemones have a central mouth surrounded by stinging tentacles which can capture small creatures and deliver them to the mouth. The sting is often quite strong and capable of damaging corals and injuring fish. Small fish such as firefish and dragonets may accidently swim directly into the anemone and be killed. Large anemones such as carpets may even kill larger fish. The addition of a night light greatly aids fish in avoiding the anemones. The tentacles are often very sticky and can cause painful sores. Some animals are specially adapted to live within anemones, such as Periclimenes shrimp and Porcelain crabs.Anemones receive most of their energy from the light, which should be very bright. Metal halide is the preferred lighting for most anemones. Feeding should be at least twice weekly and consist of small meaty items such as Mysis or chopped krill. Large specimens may take diced fish.The foot of the anemone enables them to adhere to glass and also to crawl around the aquarium. They can also float in the water to move quickly. Newly introduced specimens often wander for some time before settling down. At any time it may relocate, and is prone to being sucked into powerheads; all pumps should be screened for safety. Its foot is delicate and should never be damaged. Protein skimming is recommended to oxygenate the water sufficiently. Stable water conditions are important, and anemones are only recommended for mature aquariums.Rock Flower anemones may grow up to 8 inches and are one of the easiest species to keep. A smooth area around the mouth is surrounded by a ring of longer tentacles. Green specimens may be bright emerald, sometimes with a few stark white tentacles. It will usually bury its foot in the sand. Rock Flower anemones do not host with clownfish, but may become a safe haven for small shrimp and crabs.

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Anemones have a central mouth surrounded by stinging tentacles which can capture small creatures and deliver them to the mouth. The sting is often quite strong and capable of damaging corals and injuring fish. Small fish such as firefish and dragonets may accidently swim directly into the anemone and be killed. Large anemones such as carpets may even kill larger fish. The addition of a night light greatly aids fish in avoiding the anemones. The tentacles are often very sticky and can cause painful sores. Some animals are specially adapted to live within anemones, such as Periclimenes shrimp and Porcelain crabs.Anemones receive most of their energy from the light, which should be very bright. Metal halide is the preferred lighting for most anemones. Feeding should be at least twice weekly and consist of small meaty items such as Mysis or chopped krill. Large specimens may take diced fish.The foot of the anemone enables them to adhere to glass and also to crawl around the aquarium. They can also float in the water to move quickly. Newly introduced specimens often wander for some time before settling down. At any time it may relocate, and is prone to being sucked into powerheads; all pumps should be screened for safety. Its foot is delicate and should never be damaged. Protein skimming is recommended to oxygenate the water sufficiently. Stable water conditions are important, and anemones are only recommended for mature aquariums.This Caribbean anemone may grow up to 12 inches; colored specimens are typically a cream to white color with brightly contrasting tentacle tips and columns which may be purple, green or orange. It is one of the easiest anemones to keep, but still demands stable conditions. It prefers to hide its foot in the rockwork. It does not usually host clownfish, although occasionally Clarkii complex clownfish may host with it.

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The Tridacna clams are exquisitely colored, very uncommon and highly sought after. They make incredible display animals and thrive under reef conditions. They are peaceful and do not bother any other animal. If threatened they can close their shell tightly. Healthy animals should have a strong response if shadowed or touched, although once established they may become conditioned and show less inclination to close. They will attach themselves to rock with threads from the foot- it is of utmost importance the foot is never damaged as this may lead to the clam's death. Some species may gradually dig themselves into the rock over months or years.Tridacna clams receive most of their energy from the light. Their lighting needs should not be underestimated, exceeding that of even the most demanding corals. Metal halide is recommended over any other lighting method. Regular additions of phytoplankton may also help, especially for very small individuals. Monitoring of alkalinity and calcium is important for continued shell growth. We recommend Tridacna clams only for experienced aquarists with well established aquariums.Best tank-mates are very peaceful animals which will not bite or sting the clam. Angelfish, pufferfish, butterflies and the like are not recommended. Pests such as pyramid snails are sometimes seen which may attack the foot. Some cleaning animals such as cleaner wrasse may inadvertently pester clams to death.Best known for the large scutes on its shell, the Squamosa clam grows up to 16 inches and is typically found in shades of yellow, orange or chocolate, sometimes with turquoise highlights and generally has a highly patterned mantle. It should be placed directly on rock, not on the sand. It does not require as much light as the maxima or crocea, but will do better (and grow faster) if placed in similar conditions.

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This delightful animal is typically cream colored with bright scarlet spines and stripes on its back. It is similar to the Chocolate Chip starfish. It is usually found crawling on the glass or live rock searching for food. In nature it lives on sandy substrate sea grass beds. It is not reef safe and may eat many types of sessile invertebrates such as corals, sponges and anemones. It can be fed pieces of chopped seafood on the sand with the starfish placed on top.Echinoderms such as starfish are extremely sensitive to changes in the water quality. They require well established aquariums of at least 6 months for both water stability and sufficient food supply. It grows up to 12 inches and needs an aquarium at least 100 gallons.

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This uncommon starfish is deep purple to wine color and commonly has more than five legs. It is usually found crawling on the glass or live rock searching for food. A sand substrate helps to generate enough natural food, which consists mainly of biofilm and microalgae. It may also consume micro fauna, sponges, clams and small anemones. It is mostly reef safe and does not bother corals. If it is kept with competing animals, such as other starfish, the aquarium must be large enough to support all animals. This is one of the easiest starfish to keep, although it is still only recommended for experienced aquarists.Echinoderms such as starfish are extremely sensitive to changes in the water quality. They require well established aquariums of at least 6 months for both water stability and sufficient food supply. It grows up to 8 inches and needs an aquarium at least 100 gallons.

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This entertaining crustacean has attractive coloration and is very active. During feeding time it can be seen racing around the aquarium at high speeds. It will eat some algae, but prefers meaty foods. It is an opportunistic predator of small creatures, such as other crustaceans, sometimes even small fish. It may tear open corals and anemones to eat their stomach contents. It does best with large fish and other sizable invertebrates that can defend themselves. It can grow up to a 4 inches leg span.

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There are two types of Arrow Decorated crab; one type has long spindly legs and the other is squat and short. It is also known as the Sponge Head crab after its habit of putting sponge on top of its carapace as camouflage. In the aquarium it will take bits of corals or macroalgae as well to better blend in with its surroundings. It is an opportunistic feeder and small or weakened tank-mates may become fair game. It grows up to 6 inches and is easy to feed on fish food.

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Urchins have sharp teeth at their center which they use to scrape algae, including coralline algae. They are able to scratch acrylic so are recommended only for glass aquariums. Echinoderms such as urchins are extremely sensitive to changes in the water quality. They require well established aquariums for both water stability and sufficient food supply.This unique urchin has long, hair like spines and spends its days underneath the sand helping to clean and aerate it. It may hide just under the sand surface, which should be at least 3 inches deep, preferably deeper in order to provide enough natural food, which consists mainly of biofilm and microalgae. If it is kept with competing animals, such as its own kind, sand sifting starfish or cucumbers, the aquarium must be large enough to support all animals. It requires a well established aquarium for both water stability and sufficient food supply. It grows up to 6 inches and needs an aquarium at least 50 gallons.

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Anemones have a central mouth surrounded by stinging tentacles which can capture small creatures and deliver them to the mouth. The sting is often quite strong and capable of damaging corals and injuring fish. Small fish such as firefish and dragonets may accidently swim directly into the anemone and be killed. Large anemones such as carpets may even kill larger fish. The addition of a night light greatly aids fish in avoiding the anemones. The tentacles are often very sticky and can cause painful sores. Some animals are specially adapted to live within anemones, such as Periclimenes shrimp and Porcelain crabs.Anemones receive most of their energy from the light, which should be very bright. Metal halide is the preferred lighting for most anemones. Feeding should be at least twice weekly and consist of small meaty items such as Mysis or chopped krill. Large specimens may take diced fish.The foot of the anemone enables them to adhere to glass and also to crawl around the aquarium. They can also float in the water to move quickly. Newly introduced specimens often wander for some time before settling down. At any time it may relocate, and is prone to being sucked into powerheads; all pumps should be screened for safety. Its foot is delicate and should never be damaged. Protein skimming is recommended to oxygenate the water sufficiently. Stable water conditions are important, and anemones are only recommended for mature aquariums.The Bubble Tip anemone is the best first choice anemone as it tolerates a wide variety of lighting and aquarium conditions. It may grow up to 12 inches but typically divides into two or more specimens before reaching a large size. Common specimens are brownish in color. Its tentacles may take on a bulbous appearance or be long and thin. Both shapes can be found on healthy specimens, and the shape may change depending on the animal's mood.Bubble tip anemone prefers to hide its foot in the rockwork. It may host with any type of clownfish, hosting easiest with Percula, Maroon, Ephippium, Tomato and Clarkii complexes.

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This Sponge is completely non-photosynthetic and receives its energy by capturing fine phyto and zooplankton, coral snow and small edible particles which may be found in mature aquariums. Occasionally stirring the sand may release some food items which the sponge may capture- most food utilized is 0.1-1.5 micrometers (typically 0.5 μm or smaller). Most specimens are collected from the Caribbean. We recommend this animal only for expert aquarists who can provide the frequent feedings it demands.Moderate to strong water flow is essential over all parts of the sponge. Lateral flow should be used, with the sponge’s oscula facing down-wind; improper placement will cause closure of the oscula. Never use wave or surge action, or point-source powerheads, which may damage the animal’s delicate structure. Water flow will deliver food to the sponge and remove wastes, and also help to clear nuisance algae, cyanobacteria and debris. Lower lighting or shade should be used to discourage algae overgrowth; as well, for some species bright light is actually damaging. Sponge should never be exposed to air, as it will become trapped within the animal and cause starvation and necrosis. It should be transferred while underwater. If damage from trapped gasses affects the animal the damaged area should be cut away. Poor water quality is also not tolerated by sponges. It should be inspected for predatory nudibranch which may feed on it.Many sponges are bright colors, which serves as a warning to predators that they may contain toxins. The toxin may damage other sessile animals if touched, or be released into the water if the sponge is dead or dying. Demosponges such as this are comprised of silica spicules which may be extremely irritating if touched; wearing gloves or only handling the substrate they are attached to is recommended.Sponges make excellent tank-mates with other filter-feeding creatures such as sun, flowerpot, carnation and chili corals, gorgonians, tunicates, clams and oysters which would also benefit from added food.With its deep orange to red coloration, the Ball sponge makes a dramatic addition to a mature reef. It grows as a compact cluster with many pores of various sizes across its surface. This sponge lives unattached to rock or substrate and may drift in the water flow. Difficulty: Advanced Growth Speed: Slow Lighting: Medium - High Average Placement: Middle Water Flow: Medium - High Temperament: Peaceful

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Shrimp are active, entertaining and easy to keep. They shed their shells as they grow, and afterwards need to hide in the rock until their new shell hardens. Shrimp are highly excitable when food is present, and will do anything to get it. Some species may pester corals by attempting to reach food the coral has eaten. In this situation the shrimp should be provided food first. Large individuals may catch and consume smaller species.An intelligent and efficient predator, the Mantis shrimp is actually a stomatopod and makes a wonderful pet in its own aquarium. It can learn to recognize human faces and identify its owner. It is easy to feed on chopped seafood such as krill and clams. Most species have a smasher-type claw designed to crack the shell of crabs and other hard-shelled creatures, and may also hunt fish. A few species have a spear claw designed to impale prey. Care should be taken as it may also injure the hand that feeds it. Large individuals are capable of cracking glass so acrylic aquariums are recommended. The Mantis shrimp prefers dim lighting and plenty of rockwork and sand to create a burrow for itself. Rocks placed in a cave formation will help it feel secure. It may grow up to 6 inches and is typically shades of green or red.

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The spectacular Coco feather duster worm creates a protective hard shell up to 8 inches long and comes in a wide variety of colors in alternating stripes. Ultra colored specimens are usually striped bright pink and white.Feather duster worms are filter feeders and require frequent additions of phytoplankton in order to thrive. The visible part of the worm are its feeding tentacles and the rest of the worm is hidden within a protective tube. If there is not enough food it may 'drop' its tentacles and attempt to re-grow them. If stressed it may leave its tube, but if undisturbed it can create a new one. It is imperative when placing the worm into the water to rotate it to remove all air bubbles which may have become trapped inside the tube. It is completely harmless and has no sting. It should never be housed with predatory animals such as butterflyfish.

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Echinoderms such as cucumbers are extremely sensitive to changes in the water quality. They require well established aquariums for both water stability and sufficient food supply.Also known as the Pink Hotdog, this species is a bright pink color with darker speckles. It is a useful sand stirring animal which typically stays near the surface layers of substrate. It ingests sand and digests any organic matter. Echinoderms such as cucumbers are extremely sensitive to changes in the water quality. They require well established aquariums for both water stability and sufficient food supply. Sand should be minimum 3 inches deep. It may grow up to 12 inches long and needs an aquarium at least 100 gallons.

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Urchins have sharp teeth at their center which they use to scrape algae, including coralline algae. They are able to scratch acrylic so are recommended only for glass aquariums. Echinoderms such as urchins are extremely sensitive to changes in the water quality. They require well established aquariums for both water stability and sufficient food supply.This beautiful urchin has short, thick spines which may be light lavender to deep amethyst in color. It is omnivorous, eating algae and fish food. It is an opportunistic feeder and may not be safe with corals. It can grow to 6 inches.

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Tunicates, or Sea Squirts, resemble sponges but are actually very complicated animals related to fish. Their adult form lives attached to hard substrate and filters the water for food, mainly bacterioplankton. A well established aquarium with a sand substrate will help to generate appropriate food. Additions of phytoplankton and occasional stirring of the sand, as well as minimal or no protein skimming, may help. We recommend Tunicates only be attempted by expert aquarists who can meet their demanding needs.Spectacular sapphire bodies and contrasting rings around the siphons make this one of the most attractive tunicates. They are typically small, about 1/2 inches each, and may come attached to macroalgae or similar substrate.

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Maxi/Mini Carpet Anemone

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Resembling a bunch of grapes, these eggs will soon hatch into tiny baby Cuttlefish. They will need expert care in order to grow and thrive, and are recommended only for very experienced aquarists with a dedicated aquarium. As the young animals grow they may fight or become cannibalistic, so separation may be necessary. It is normal for the babies not to eat for the first 2-3 days, but after that they will need frequent feeding. Amphipods, Mysis shrimp, and baby livebearer fish make good first foods.Cuttlefish can recognize and respond to their owner, quickly becoming a real pet. Covers over all intakes are required as the curious Cuttlefish may insert an arm into the pump as it explores its environment. Some rockwork with a cave and plenty of open space to swim are appreciated, as is decor such as sea grasses and coral; snails are usually ignored. Cuttlefish prefer live prey, and are efficient predators shrimp, crabs and fish. In time they may learn to accept frozen food such as krill. Freshwater feeder animals such as goldfish should never be used. They should be fed frequently, and require very clean, well oxygenated water. An efficient protein skimmer is necessary; ideal water temperature is 78-80F. They are extremely sensitive to changes in water quality. Stressed specimens may release an ink into the water.Our Cuttlefish egg batches come from the Philippines and may grow approximately 4 inches. We recommend an aquarium no smaller than 50 gallons, preferably larger.

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The shine shell of this large snail is covered in attractive dark spots against a light background. It is a great algae eater for a larger aquarium, as the snail grows up to 4 inches. Its smooth shell is covered by its fleshy mantel when the snail is active. It should be placed right side up on the sand after acclimation.

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The elegant Tube anemone has extremely long and thin tentacles, and may grow up to 8 inches. Common specimens are typically earthy shades. Unlike most other anemones, the Tube anemone is non-photosynthetic. Feeding should be at least every other day and consist of small meaty items such as Mysis shrimp and other fish foods. It prefers to hide its foot in the sand or stuck to rocks near the bottom. It encases its column with a protective sleeve of mucus, special threads and debris such as sand. During transport it may lose its tube but can create another one once it enters the aquarium. Numerous Tube anemones may be housed together creating a colorful display.Anemones have a central mouth surrounded by stinging tentacles which can capture small creatures and deliver them to the mouth. The sting is often quite strong and capable of damaging corals and injuring fish. Small fish such as firefish and dragonets may accidently swim directly into the anemone and be killed. The addition of a night light greatly aids fish in avoiding the anemones. The tentacles are often very sticky and can cause painful sores. Some animals are specially adapted to live within anemones, such as Periclimenes shrimp and Porcelain crabs. Although only distantly related to other anemones, the Tube anemone can still move about the aquarium. They can also float in the water to move quickly. Newly introduced specimens often wander before settling down. At any time it may relocate, and is prone to being sucked into powerheads; all pumps should be screened for safety. Its foot is delicate and should never be damaged. Protein skimming is recommended to oxygenate the water sufficiently. Stable water conditions are important, and anemones are only recommended for mature aquariums.

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Anemones have a central mouth surrounded by stinging tentacles which can capture small creatures and deliver them to the mouth. The sting is often quite strong and capable of damaging corals and injuring fish. Small fish such as firefish and dragonets may accidently swim directly into the anemone and be killed. Large anemones such as carpets may even kill larger fish. The addition of a night light greatly aids fish in avoiding the anemones. The tentacles are often very sticky and can cause painful sores. Some animals are specially adapted to live within anemones, such as Periclimenes shrimp and Porcelain crabs.Anemones receive most of their energy from the light, which should be very bright. Metal halide is the preferred lighting for most anemones. Feeding should be at least twice weekly and consist of small meaty items such as Mysis or chopped krill. Large specimens may take diced fish.The foot of the anemone enables them to adhere to glass and also to crawl around the aquarium. They can also float in the water to move quickly. Newly introduced specimens often wander for some time before settling down. At any time it may relocate, and is prone to being sucked into powerheads; all pumps should be screened for safety. Its foot is delicate and should never be damaged. Protein skimming is recommended to oxygenate the water sufficiently. Stable water conditions are important, and anemones are only recommended for mature aquariums.A spectacular animal that often grows to 24 inches or more and makes an incredible display. It prefers to bury its foot into deep sand. Its tentacles are very short and numerous. Its bright ruby color is extremely rare. It may host with many clownfish species, hosting easiest with Clarkii, Percula, Saddleback, Ephippium and Skunk complex clownfish.

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The Red Scallop has blazing scarlet tentacles emerging from its mantle creating a spectacular display. It can open and close its shell to move itself and find a shady cave to live in. Once it is comfortable it sends out threads from its foot to secure itself. It is a peaceful filter feeding animal which requires additions of phytoplankton in order to thrive. It may be pestered by predatory snails and crabs, and some fish that may nip on their mantles such as angelfish and butterflyfish. It may grow up to 3.5 inches.

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Also known as the Multicolor starfish, it is cream colored with scarlet red polka dots on its back. It is usually found crawling on the glass or live rock searching for food. A sand substrate helps to generate enough natural food, which consists mainly of biofilm and microalgae. It is completely reef safe and does not bother corals. If it is kept with competing animals, such as other starfish, the aquarium must be large enough to support all animals. This is one of the easiest starfish to keep, although it is still only recommended for experienced aquarists.Echinoderms such as starfish are extremely sensitive to changes in the water quality. They require well established aquariums of at least 6 months for both water stability and sufficient food supply. It grows up to 4 inches and needs an aquarium at least 75 gallons.

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Bright shades of red, orange and purple with white spots make this crustacean a thing of beauty. It may hide under rocks for much of the day but will emerge at night time or when hungry. It is an opportunistic omnivore and will take any food available, but is usually well behaved. It is a small threat to sleeping fish, snails, crabs, urchins and anything else it can catch. If well fed the lobster's predatory nature is more subdued. It is easy to keep, may grow up to 6 inches and needs an aquarium at least 50 gallons.

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Deep velvety black with electric blue stripes, the Headshield nudibranch is a highly specialized predator which only consumes flatworms. It is occasionally imported from the Philippines, and is also called the Blue Velvet slug. It is well known to eat the planarian pest Convolutriloba retrogemma. Nudibranch are very small and may become sucked into powerheads so all pumps should be screened. It is extremely sensitive to changes in water quality and is only recommended for expert aquarists.

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Anemones have a central mouth surrounded by stinging tentacles which can capture small creatures and deliver them to the mouth. The sting is often quite strong and capable of damaging corals and injuring fish. Small fish such as firefish and dragonets may accidently swim directly into the anemone and be killed. Large anemones such as carpets may even kill larger fish. The addition of a night light greatly aids fish in avoiding the anemones. The tentacles are often very sticky and can cause painful sores. Some animals are specially adapted to live within anemones, such as Periclimenes shrimp and Porcelain crabs.Anemones receive most of their energy from the light, which should be very bright. Metal halide is the preferred lighting for most anemones. Feeding should be at least twice weekly and consist of small meaty items such as Mysis or chopped krill. Large specimens may take diced fish.The foot of the anemone enables them to adhere to glass and also to crawl around the aquarium. They can also float in the water to move quickly. Newly introduced specimens often wander for some time before settling down. At any time it may relocate, and is prone to being sucked into powerheads; all pumps should be screened for safety. Its foot is delicate and should never be damaged. Protein skimming is recommended to oxygenate the water sufficiently. Stable water conditions are important, and anemones are only recommended for mature aquariums.Sebae anemones have beautiful, long tentacles which may completely obscure the mouth, growing up to 12 inches. It is most often a lavender color with darker blue or purple tips, with bumps on the column. It is best placed on the sand, just under an overhanging rock. It may host any clownfish species, hosting easiest with Clarkii, Percula, Skunk, Tomato and Saddleback complexes.

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The Electric Scallop has blazing scarlet tentacles emerging from its mantle, along the surface of which can be seen occasional bursts of blue electricity making for a shocking display. It can open and close its shell to move itself and find a shady cave to live in. Once it is comfortable it sends out threads from its foot to secure itself. It is a peaceful filter feeding animal which requires additions of phytoplankton in order to thrive. It may be pestered by predatory snails and crabs, and some fish that may nip on their mantles such as angelfish and butterflyfish. It may grow up to 3.5 inches.

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This delightful animal comes in shades of olive and green with contrasting bumps over its surface. It is similar to the Chocolate Chip starfish. It is usually found crawling on the glass or live rock searching for food. In nature it lives on sandy substrate sea grass beds. It is not reef safe and may eat many types of sessile invertebrates such as corals, sponges and anemones. It can be fed pieces of chopped seafood on the sand with the starfish placed on top.Echinoderms such as starfish are extremely sensitive to changes in the water quality. They require well established aquariums of at least 6 months for both water stability and sufficient food supply. It grows up to 12 inches and needs an aquarium at least 100 gallons.

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Shrimp are active, entertaining and easy to keep. They shed their shells as they grow, and afterwards need to hide in the rock until their new shell hardens. Shrimp are highly excitable when food is present, and will do anything to get it. Some species may pester corals by attempting to reach food the coral has eaten. In this situation the shrimp should be provided food first. Large individuals may catch and consume smaller species.This attractive shrimp is bright orange with purple limbs and a large dark spot on its side; it is often called the Target or Bullseye shrimp. Pistol shrimp are extremely adept at tunneling under the sand, helping to clean and aerate the substrate. This type grows to 2 inches and does not bond with any other animals.The hard-working shrimp will excavate a burrow consisting of several tunnels, entrances and exits. At nighttime or when a tunnel is not being used the shrimp will block it off with shells and small rocks. It will make use of shells and crushed coral of various sizes which are important building material to create a stable dwelling. Rocks should be placed on the aquarium glass and sand poured around them to eliminate the danger of a cave-in when the shrimp excavates. The pistol shrimp has an enlarged claw which may make a clicking or popping sound.If more than one pistol shrimp is to be kept in the same aquarium we recommend space enough to accommodate at least 24 inches between burrows. They are typically peaceful with all tank mates, although there is a small threat to other crustaceans if the pistol shrimp is not getting enough food. To minimize this threat any sort of fish food may be placed at the tunnel entrance for the shrimp to collect.

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This dazzling creature is covered in alternating bands of black and white over its long legs and whiskers. Its carapace shimmers turquoise and its tail may be orange. It may hide under rocks for much of the day but will emerge at night time or when hungry. Its long antennae are nearly always visible. It is an opportunistic omnivore and will take any food available, possibly threatening sleeping fish, snails, crabs, urchins and anything else it can catch. If well fed the lobster's predatory nature is more subdued. It is easy to keep, may grow up to 15 inches and needs an aquarium at least 100 gallons.

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Sea Hare are huge slugs with massive appetites for algae. Most species eat soft green hair algae, although spotted Hares may also eat macro algae such as Caulerpa. Sea Hares have soft bodies and may become sucked into powerheads so all pumps should be screened. It is common for Hares to bury themselves in the sand. If stressed or dying they can release an ink into the water which should be quickly removed with water changes and fresh carbon. They are extremely sensitive to changes in water quality and are only recommended for expert aquarists.The Black Sea Hare is similar to the Green Sea Hare except for color. It is a dark chocolate to pitch black color with long sense organs on its head resembling the ears of a rabbit. It has an internal shell but is soft on the outside. It is commonly imported from the Philippines.

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The Acropora crab has a special relationship with SPS corals. It lives within the corals protective branches and may consume some of the coral's mucus and particles trapped therein. In return the crab helps defend the coral against destructive crabs and other pests. The crab also increases water flow through the branches. There are reports that the presence of the Acropora crab can enhance the health of its host. It may prefer Pocillipora corals as its primary host but will also live with Acropora. The Acropora crab is usually lavender with dark spots, but is sometimes bright red. It grows up to 1 inch and requires a coral host in order to thrive.

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Anemones have a central mouth surrounded by stinging tentacles which can capture small creatures and deliver them to the mouth. The sting is often quite strong and capable of damaging corals and injuring fish. Small fish such as firefish and dragonets may accidently swim directly into the anemone and be killed. Large anemones such as carpets may even kill larger fish. The addition of a night light greatly aids fish in avoiding the anemones. The tentacles are often very sticky and can cause painful sores. Some animals are specially adapted to live within anemones, such as Periclimenes shrimp and Porcelain crabs.Anemones receive most of their energy from the light, which should be very bright. Metal halide is the preferred lighting for most anemones. Feeding should be at least twice weekly and consist of small meaty items such as Mysis or chopped krill. Large specimens may take diced fish.The foot of the anemone enables them to adhere to glass and also to crawl around the aquarium. They can also float in the water to move quickly. Newly introduced specimens often wander for some time before settling down. At any time it may relocate, and is prone to being sucked into powerheads; all pumps should be screened for safety. Its foot is delicate and should never be damaged. Protein skimming is recommended to oxygenate the water sufficiently. Stable water conditions are important, and anemones are only recommended for mature aquariums.Rock Flower anemones may grow up to 8 inches and are one of the easiest species to keep. A smooth area around the mouth is surrounded by a ring of longer tentacles. Brown specimens may be earthy shades of cream, caramel and chocolate. It will usually bury its foot in the sand. Rock Flower anemones do not host with clownfish, but may become a safe haven for small shrimp and crabs.

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The Red Scallop has an attractive shell banded in white and red. Its mantel does not extend beyond the shell and may be dark to light red or orange. It can open and close its shell to move itself and find a shady cave to live in. Once it is comfortable it sends out threads from its foot to secure itself. It is a peaceful filter feeding animal which requires additions of phytoplankton in order to thrive. It may be pestered by predatory snails and crabs, and some fish that may nip on its mantle such as angelfish and butterflyfish. It may grow up to 3.5 inches.

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This dazzling urchin has lengthy spines with alternating black and white stripes. It also has some shorter spines in an earthy tone.Other common names include Banded or Double Spined urchin.It is most active at night, and has a voracious appetite for algae, including hair algae - if there is not enough natural food available it may be fed dried algae sheets. It is very reef safe, and only bothers corals if it is starving.Its spines are easily broken and may easily puncture skin causing painful wounds. Broken spines will grow back quickly.This urchin can grow to 12 inches.

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The Nano Serpent star, or Smooth Brittle star, is usually found in colors such as cream, ash and pink, usually with light and dark banding. It spends most of its time hiding inside the rock with its arms sticking out, waiting for some fish food to drift by. It is an efficient scavenger and can clean the rocks of leftover food and detritus. It is completely reef safe and does not bother corals. Because it eagerly consumes fish food it is one of the easiest starfish to keep.Echinoderms such as starfish are extremely sensitive to changes in the water quality. They require well established aquariums of at least 6 months to ensure water stability. It grows up to 6 inches and needs an aquarium at least 20 gallons.

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The Red Serpent star, or Smooth Brittle star, is brilliantly colored ruby to scarlet, sometimes with light and dark banding. It adds a bright splash of color which makes it easy to spot in the aquarium. It spends most of its time hiding inside the rock with its arms sticking out, waiting for some fish food to drift by. It is an efficient scavenger and can clean the rocks of leftover food and detritus. It is completely reef safe and does not bother corals. Because it eagerly consumes fish food it is one of the easiest starfish to keep.Echinoderms such as starfish are extremely sensitive to changes in the water quality. They require well established aquariums of at least 6 months to ensure water stability. It grows up to 12 inches and needs an aquarium at least 50 gallons.

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This uncommon variety of starfish is solid ruby red with bright blue polka dots. It is usually found crawling on the glass or live rock searching for food. A sand substrate helps to generate enough natural food, which consists mainly of biofilm and microalgae. It is completely reef safe and does not bother corals. If it is kept with competing animals, such as other starfish, the aquarium must be large enough to support all animals.Echinoderms such as starfish are extremely sensitive to changes in the water quality. They require well established aquariums of at least 6 months for both water stability and sufficient food supply. It grows up to 6 inches and needs an aquarium at least 100 gallons.

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This delightful animal is also known as the Thorny Star and comes in many colors, usually cream to black with numerous small colored bumps in a contrasting bright orange or white. It is similar to the Chocolate Chip starfish. It is usually found crawling on the glass or live rock searching for food. In nature it lives on sandy substrate sea grass beds. It is not reef safe and may eat many types of sessile invertebrates such as corals, sponges and anemones. It can be fed pieces of chopped seafood on the sand with the starfish placed on top.Echinoderms such as starfish are extremely sensitive to changes in the water quality. They require well established aquariums of at least 6 months for both water stability and sufficient food supply. It grows up to 12 inches and needs an aquarium at least 100 gallons.

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The Green Brittle star is known to occasionally catch and consume fishes and crustaceans, and is also known as the Green Death star. It is an attractive pine green with lighter olive to sage colored spines and stripes. Its arms are covered in course bristles. It gets its name from the fact that, if threatened, its arms may fall off or break into pieces. It spends most of its time hiding inside the rock with its arms sticking out, waiting for some fish food to drift by. It is an efficient scavenger and can clean the rocks of leftover food and detritus. Because it eagerly consumes fish food it is one of the easiest starfish to keep. It makes an impressive display animal and a great pet in a dedicated aquarium.Echinoderms such as starfish are extremely sensitive to changes in the water quality. They require well established aquariums of at least 6 months to ensure water stability. It grows up to 20 inches and needs an aquarium at least 50 gallons.

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This beautiful snail from the Philippines is a great algae eater for the lower areas of the aquarium. It is earthy shades and its shell flares out on one side. Its heavy shell prevents it from climbing onto rocks but it has a long proboscis that can reach onto the glass. It moves with a hopping motion and may hide under the substrate. Its shell may grow up to 5 inches long.

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Shrimp are active, entertaining and easy to keep. They shed their shells as they grow, and afterwards need to hide in the rock until their new shell hardens. Shrimp are highly excitable when food is present, and will do anything to get it. Some species may pester corals by attempting to reach food the coral has eaten. In this situation the shrimp should be provided food first. Large individuals may catch and consume smaller species.The Volcano shrimp is a very rare and diminutive shrimp from Hawaii. It has a bright red color and only grows to 1.5cm. It is native to brackish water pools which form in volcanic rock. It can survive in a wide range of salinities, but fresh water and full strength salinity are not recommended. We keep our shrimp at SG 1.018. It is important to make changes to their water slowly, and to use a proper marine salt mix. The Volcano shrimp eats mainly algae, so their enclosure should be well established. Feeding should be very minimal; one fish food pellet a week is more than enough; the shrimp may be fed less often if there is enough algae.If its needs are provided for the Volcano shrimp may breed. It is very social with its own kind and makes a terrific pet. It can also be bred and used as a feeder animal for fish and seahorses.

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The delightful Dove conch is one of the smallest species of snail available, only around 1/4 inch long. They come from the Caribbean and may crawl on glass, rocks and into the sand to consume algae. After acclimation they should be placed right side up on the sand.

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Shrimp are active, entertaining and easy to keep. They shed their shells as they grow, and afterwards need to hide in the rock until their new shell hardens. Shrimp are highly excitable when food is present, and will do anything to get it. Some species may pester corals by attempting to reach food the coral has eaten. In this situation the shrimp should be provided food first. Large individuals may catch and consume smaller species.The Saron shrimp is covered in attractive spots and has large claws, but is quite peaceful towards fish. It does however prey on coral polyps, mainly zoanthids, star polyps and the like. It grows up to 4 inches. It is mainly nocturnal, and makes a terrific scavenger.

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