There are over 5000 species of Crabs in the whole world but only 4500 species are true crabs the other 500 crabs are hermit crabs which are not 'true' crabs.
According to The World of Animals. by Walters, Martin & Johnson, Jinny. (Published by Parragon, 2007) 6,793 different species of crabs are known.
In addition there are about 850 species of freshwater or semi-terrestrial crabs.
'True' crabs are decapod crustaceans of the infraorder Brachyura, whereas hermit crabs [decapod crustaceans of the superfamily Paguroidea] are classified quite differently due to physical characteristics. They are not even closely related to 'true' crabs. For more information, see Related Links below ads...
There are 5000 types of crabs but only 4500 of them are real crabs
Some types of crabs I know of are fiddler crabs, hermit crabs and horseshoe crabs.
500 diffrent species
hermit crabs
mud crabs, sand crabs, ghost crabs, blue swimmer.
There are aquatic and land hermit crabs. Some land hermies are the Purple Pincher (PP & the most common) and the strawberry hermit crab.
Yes, some types of crabs eat clams.
no they are carnivores and eat many types of fish, and crabs and other invertebrates.
Well it depends there are different types of crabs,I own 4 land hermit crabs.
Crabs are widely known for their sideways manner of walking. However, there are types of crabs that can walk forwards or backwards.
strippers
Well crabs lay eggs in the sea most the time but some types of crab lay egg in there and they mat in it as well
Crayfish, lobsters, and crabs are all examples of crustaceans.