Ahhh - invasion of the red legged hermit crabs! • Red crab is native to the Atlantic Ocean while blue crab is endemic to the Cocos Island and Christmas Island in the Indian Ocean. Get your answers by asking now. Crabs become important in many ways, but their importance is known widely as a delicious food for humans, yet the ecological roles that they play is also of great value to the nature. The tank is new and has been cycling with the live sand and live rock. They grow to around 1 inch and unsurprisingly they have blue legs. Must be provided with additional shells to move into or live snails may be attacked for their shells Please note: These are aquatic saltwater hermit crabs. All of a sudden in the last 2-3 weeks I've lost about 5 snails. But they are cheaper and I figured that I just wanted one piece for the crabs to have while I wait for my other rock so no harm. They seem to eat it up fine. My father has a saltwater tank, so I know how maintenance works, but would 5 gallons be stable enough for them, or would it swing too much? As with most species, the walking legs are almost all that an aquarist sees in the tank. Search. I just ordered 25blues and 10reds to add to my tank. They show clear sexual dimorphism, which features most prominently in the shape of their abdomen, where it is slender and long in males while females have a rounded and dome-shaped abdomen. Watch Queue Queue. Loading... Watch Queue Queue. I would have gotten the rock earlier, but I didn't like the stock at either of my three LFS. Two blue and one now red. So I purchased a few more 3 days ago, and looked in today to find a red leg eating one. You won't be able to identify it by its shell as it will commonly steal a snail shell or kill another hermit crab for its shell. Their bright red appendages are large for the small carapace, yet the claws are small. There are over 800 species of hermit crab, most of which possess an asymmetric abdomen concealed by a snug-fitting shell. C. tricolor is … • As their names depict, blue crab and red crab are different in colours. The Blue Leg Hermit Crab, (Clibanarius tricolor) is good at removing hair algae and detritus, and fair at removing some kinds of cyanobacteria and film algae from your tank. The Blue Legged Hermit Crab, also sometimes called the Dwarf Blue Leg Hermit Crab, will quickly eat filamentous algae and uneaten fish food. There are about 500 known species of the hermit crab, and the Blue Legged Hermit Crab is one of them. This is REALLY good rock, I am very excited and content to wait for it. Blue legged hermit crabs are more agressive and "dwarf" crabs will end up being more trouble as they outgrow their shells and start bothering other things that have shells in your tank.-Alfred Large males can barely reach 1 inch long (2.5 cm), and as the name implies, they have blue legs. But right now all three of my shells have hermit living crabs in them. Native to the reef faces and coral rubble of the Caribbean and Western Atlantic, these active … They are a good species of crab as long as they have lots of shells to choose from. As one of its common names suggest, blue crabs are natively found in the Atlantic Ocean, yet specifically lives around the western edge of Atlantic coastal waters. What should I do before I buy a fish as a pet? This just doesn't seem possible. Red Legged Hermit Crab/Compatibility 11/09/07 Hi, I was wondering if you ever heard of red legged hermits eating Turbo Snails? Paguristes cadenati is very hardy and requires minimal care in a well-established system. Their major drawback to me was they kept on killing each other for each other's shells. 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Filed Under: Animals Tagged With: Atlantic blue crab, Blue Crab, Callinectes sapidus, Chesapeake blue crab, Christmas Island red crab, Gecarcoidea natalis, Red Crab. C. tricolor has blue legs with red banding, and reaches to 2 centimeters (0.79 in) in size. Also today, I have found 2 (fresh, they were still intact and fresh looking) dead blue legged hermit crabs without shells, one on top of the rock and one on the sand next to the rock. These hermit crabs will also aerate the sand while scavenging for food, which is a valuable service. Watch Queue Queue. It just doesn't seem likely. • Blue crab is popular as seafood but not the red crab. These small crabs are easy to keep. In fact, they are particularly fond of nuisance algae of the filamentous, hair, and slime varieties, as well as cyanobacteria. Hermit crabs are anomuran decapod crustaceans of the superfamily Paguroidea that have adapted to occupy empty scavenged mollusc shells to protect their fragile exoskeletons. The carapace is round shaped with no serrated margins or frontal teeth. The Blue Leg Hermit Crab, Clibanarius tricolor, features characteristic blue legs poking out of their shell. A … Red crabs live in burrows, to ensure that the sun will not dry them out. Their legs also have small red bands. I will be picking up 50 lbs of live rock next week. 3reef Aquarium Forums . They are best housed in tanks with plenty of live rock and a sandy substrate. Loading... Close. If a fish breaths water, do fishes fart water? I wonder if hermit crabs can live without their shell in live rock? Breakdown on crabs as follows:75% (water volume) Blue Legs, 20% Red Legs, 5% Emerald Crabs Example- 100 gallon tank: 75 Blue Legs, 20 Red Legs, 5-6 Emerald Crabs Reef Safe Hermit crab which eats algae and left over food. I'm just so curious as to where they could be coming from. How many tetras do you think would be good in a 50-gallon aquarium? Hmmm... so I've started my new 50 gallon saltwater tank. 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