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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.
Anomura (sometimes Anomala) is a group of decapod crustaceans, including hermit crabs and others. Although the names of many anomurans include the word crab, all true crabs are in the sister group to the Anomura, the Brachyura (the two groups together form the clade Meiura).
This land hermit crab lives in mangrove trees, are mainly nocturnal, and terrestrial species, however often prefer salt water inside of its shell. [4] The larger hermit crabs have been known to submerge their entire bodies into the sea water. The saltwater is used to bind the shell to the crabs back through the high salinity in the water. [6]
Dardanus pedunculatus, commonly referred to as the anemone hermit crab, is a species of hermit crab from the Indo-Pacific region. It lives at depths of up to 27 m and collects sea anemones to place on its shell for defence.
The hermit crab gains protection from predators by the sea anemone's stinging, and the sea anemone gains an increase in food from the material thrown up by the hermit crab's movements. [3] The relationship is apparently instigated by the sea anemone, which begins a complex series of manoeuvres in order to mount the shell carried by the hermit ...
Pagurus is a genus of hermit crabs in the family Paguridae.Like other hermit crabs, their abdomen is not calcified and they use snail shells as protection. These marine decapod crustaceans are omnivorous, but mostly prey on small animals and scavenge carrion.
Calcinus seurati, commonly known as Seurat's hermit crab or whitebanded hermit, is a species of hermit crab in the family Diogenidae. [1] It was first described by French carcinologist Jacques Forest in 1951. This species is found in rocky pools where they would be seen crawling out to the wet, algae-covered rocks. [2]
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.