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A hermit crab emerges from its shell, Coenobita perlatus Outside its shell, the soft, curved abdomen of hermit crabs, such as Pagurus bernhardus, is vulnerable. Hermit crab species range in size and shape, from species only a few millimeters long to Coenobita brevimanus (Indos Crab), which can approach the size of a coconut and live 12–70 years.
Coenobita perlatus is a species of terrestrial hermit crab. It is known as the strawberry hermit crab because of its reddish-orange colours. It is a widespread scavenger across the Indo-Pacific, and wild-caught specimens are traded to hobby aquarists.
Coenobita is closely related to the coconut crab, Birgus latro, with the two genera making up the family Coenobitidae.The name Coenobita was coined by Pierre André Latreille in 1829, from an Ecclesiastical Latin word, ultimately from the Greek κοινόβιον, meaning "commune"; the genus is masculine in gender.
Female coenobitids return to the sea to hatch their eggs and their larvae develop through planktonic zoeal stages to a megalopa, in a similar way as the marine hermit crabs. Just like these species, after settlement, terrestrial hermit crabs megalopae recognize and co-opt gastropods shells, before migrating into the land and molting to the ...
The coconut crab is the only species of the genus Birgus, and is related to the other terrestrial hermit crabs of the genus Coenobita. It shows a number of adaptations to life on land. Juvenile coconut crabs use empty gastropod shells for protection like other hermit crabs, but the adults develop a tough exoskeleton on their abdomens and stop ...
They are able to venture far inland, in altitudes exceeding 800 m (2,600 ft). In spite of this, the ovigerous females must release the fertilized eggs in the ocean for the larvae to develop (as with all known species of terrestrial hermit crabs). [3] The species is presumably named for the dark red coloration of their exoskeleton.