Crabs
20 products
Blue Leg Hermit Crab
Hermit crabs need to live inside of a snail shell in order to keep their soft bodies safe. Even with many shells available hermit crabs will occasionally kill snails in order to take their shell. Please ask our staff and we will be happy to supply you with some empty shells.This is one of our most popular hermit crabs. It is colorful, stays small, and eats a wide variety of algae including some hair algae. It is typically imported from Florida. It is considered reef safe, however it is an opportunistic omnivore and will take food where it can find it. It will also eat fish food, detritus and anything else edible.
$1.49
Emerald Crab - Green
The Emerald crab is famous for its voracious appetite for algae, especially bubble and hair algae and some macroalgae. It one of the most reef safe crabs, only bothering corals when food is in short supply. Its flattened claws are specially designed to pick algae off of rocks. It does not typically bother any other animals; however it is opportunistic and weakened tank mates may become fair game. It grows up to 2 inches and is imported from Florida.
$9.45
Red Scarlet Hermit Crab
Hermit crabs need to live inside of a snail shell in order to keep their soft bodies safe. Even with many shells available hermit crabs will occasionally kill snails in order to take their shell. Please ask our staff and we will be happy to supply you with some empty shells.This brightly colored crab from Florida makes a terrific addition to a clean-up crew. It is a medium sized crab that eats a wide variety of algae including some hair algae. It may hide during the day but is quite active at night. It is considered reef safe, however it is an opportunistic omnivore and will take food where it can find it. It will also eat detritus, algae, fish food, and anything else edible.
$9.95
Mexican Red Leg Hermit Crab
Hermit crabs need to live inside of a snail shell in order to keep their soft bodies safe. Even with many shells available hermit crabs will occasionally kill snails in order to take their shell. Please ask our staff and we will be happy to supply you with some empty shells.This rusty colored crab from Florida makes a terrific addition to a clean-up crew. It is a small sized crab that eats a wide variety of algae including some hair algae. It is considered reef safe, however it is an opportunistic omnivore and will take food where it can find it. It will also eat detritus, algae, fish food, and anything else edible.
$2.45
Electric Blue Hermit Crab
Hermit crabs need to live inside of a snail shell in order to keep their soft bodies safe. Even with many shells available hermit crabs will occasionally kill snails in order to take their shell. Please ask our staff and we will be happy to supply you with some empty shells.A very uncommon animal, it is also known as the Blue Knuckle crab, and should not to be confused for the Blue Leg crab which stays quite small. The Electric Blue crab is a medium sized hermit crab and consumes mainly algae including some hair algae and cyanobacteria. It is considered reef safe, however it is an opportunistic omnivore and will take food where it can find it. It will also eat detritus, fish food, and anything else edible.
$8.45
Halloween Hermit Crab
Hermit crabs need to live inside of a snail shell in order to keep their soft bodies safe. Even with many shells available hermit crabs will occasionally kill snails in order to take their shell. Please ask our staff and we will be happy to supply you with some empty shells.This colorful crab from Hawaii is bright scarlet with orange bands. It grows to a medium size and needs shells with a narrow opening such as conch shells. It is well known to eat many types of algae including some hair algae. It is considered reef safe, however it is an opportunistic omnivore and will take food where it can find it. It will also eat detritus, fish food, and anything else edible.
$8.95
Blue Eyed Hermit Crab
Hermit crabs need to live inside of a snail shell in order to keep their soft bodies safe. Even with many shells available hermit crabs will occasionally kill snails in order to take their shell. Please ask our staff and we will be happy to supply you with some empty shells.This crab has earthy colored claws and bright baby blue eyes. It is an opportunistic omnivore and may eat corals, fish food, detritus, algae and more.
$4.95
Pom Pom Crab
The tiny Pom Pom crab is rather defenseless on its own, but it enlists the help of small stinging anemones to bolster its defenses. The crab is pink with delightful stripes, and the anemones are tan in color. It holds the anemones in its claws and may wave them at predators. As the crab moves around the anemones may sting other animals, but there is usually no damage done. Both the crab and its anemones will eat fish food scraps. If it happens to lose its anemones it may take a small piece of coral instead. The Pom Pom crab grows up to 1 inch.
$23.45
Arrow Crab
Spindly legs and a pointy head make this crab look more like a spider. Its long legs give it a good vantage point to search for its preferred prey- bristle worms. It may decimate populations of these useful scavengers in small aquariums, so is normally best kept in large tanks. It will also eagerly feed on fish food. Because of its large size and strength it may prey on other crustaceans, even those of similar size such as Coral Banded shrimp. It can grow up to a 6 inches leg span.
$37.45
Red Dwarf Hermit Crab
Hermit crabs need to live inside of a snail shell in order to keep their soft bodies safe. Even with many shells available hermit crabs will occasionally kill snails in order to take their shell. Please ask our staff and we will be happy to supply you with some empty shells.The Red Dwarf Hermit is is a small to sized hermitcrab that eats a wide variety of algae including some hair algae. As it's name implies you can expect this hermit to have bright red or orange/red legs and is considered to be reef safe, however it is an opportunistic omnivore and will take food where it can find it. It will also eat detritus, algae, fish food, and anything else edible.The Red Dwarf Hermit will spend the majority of it's time on the rock work picking at algae.
$7.45
Porcelain Crab - White
The endearing Porcelain crab is one of the most peaceful and reef safe crabs. It uses its pinching claws only in self defense. It has a pair of feeding nets which are near constantly spread in the water to catch particulate foods. It can also feed on scraps of fish food. The Purple Porcelain crab needs plenty of rockwork in order to feel secure. Additions of zooplankton will help ensure the crab gets enough food. Porcelain crabs grow up to 2 inches.
$20.45
Decorator Crab
The Spider Decorator crab looks like an underwater tarantula covered in bits of live coral, macroalgae, sponges, shells, and any other small objects from its environment providing excellent camouflage. It is an opportunistic feeder and small or weakened tank mates may become fair game. It grows up to 4 inches and is easy to feed on fish food.
$29.45
Common Hermit Crab
Hermit crabs need to live inside of a snail shell in order to keep their soft bodies safe. Even with many shells available hermit crabs will occasionally kill snails in order to take their shell. Please ask our staff and we will be happy to supply you with some empty shells.These assorted species of crabs may come in colors such as green, grey and brown. Crabs are opportunistic omnivores and may eat corals, detritus, fish food, and anything else edible.
$2.45
Orange Claw Hermit Crab
Hermit crabs need to live inside of a snail shell in order to keep their soft bodies safe. Even with many shells available hermit crabs will occasionally kill snails in order to take their shell. Please ask our staff and we will be happy to supply you with some empty shells.The Orange Claw hermit is a rusty color with light colored 'socks' on the end of its claws. It is a small to medium sized crab that eats a wide variety of algae including some hair algae. It is considered reef safe, however it is an opportunistic omnivore and will take food where it can find it. It will also eat detritus, algae, fish food, and anything else edible.
$7.45
Porcelain Crab - Purple
The endearing Porcelain crab is one of the most peaceful and reef safe crabs. It uses its pinching claws only in self defense. It has a pair of feeding nets which are near constantly spread in the water to catch particulate foods. It can also feed on scraps of fish food. The White Porcelain crab may host with anemones or corals. Clownfish may pick them off of their anemones, possibly hurting the crab. Additions of zooplankton will help ensure the crab gets enough food. Porcelain crabs grow up to 2 inches.
$15.45
Assorted Hermit Crab
Hermit crabs need to live inside of a snail shell in order to keep their soft bodies safe. Even with many shells available hermit crabs will occasionally kill snails in order to take their shell. Please ask our staff and we will be happy to supply you with some empty shells.These assorted species of crabs may come in colors such as green, grey and brown, sometimes with colored eyes or claws. Crabs are opportunistic omnivores and may eat corals, fish food, detritus, algae and more.
$5.95
Sally Lightfoot Crab
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.
$15.45
Arrow Crab - Decorated
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.
$26.45
Acropora Crab
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.
$15.45
Spider Crab
The Spider crab is notable for its extremely long legs which are covered in attractive banding. It often sits with its body partially buried in the substrate and its legs sprawled out around it. It is an opportunistic feeder which may overpower small creatures, such as other crustaceans. It does best with large fish and other sizable invertebrates that can defend themselves. It makes an effective scavenger and can grow up to a 8 inches leg span.
$39.45
