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Pagurus annulipes, the brown banded hermit, [2] ... It is the only hermit crab with banded legs on the coast of the NE United States. [4] References
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.
The carapace is armed with dorsal spines and is more heavily calcified than is the case in most hermit crabs. The walking legs are relatively long and the crab "wears" a mollusc shell that appears to be too small. The crab's body and legs are brown or pinkish and have a reddish iridescent sheen. [5]
Crabs have 10 legs with two front legs that have evolved into pincers. The crab uses its pincers to eat and defend itself. A crab’s main defense is typically hiding.
Like other hermit crabs, D. pugilator conceals its soft abdomen inside an empty gastropod mollusc shell; the abdomen is twisted to fit the contours of the shell. The carapace protects the anterior part of the crab and can be up to 11 mm (0.43 in) long; it is squarish in shape, has triangular projections along the front edge, and is clad with hairs on the front two corners.
Calcinus verrillii, commonly known as Verrill's hermit crab, is a species of hermit crab in the genus Calcinus which is endemic to Bermuda.It was first described by the American zoologist Mary J. Rathbun and named in honour of the American zoologist Addison Emery Verrill, who spent much time with his students studying the geology and marine fauna of Bermuda.
Clibanarius digueti is a species of hermit crab that lives off the western coast of Mexico, and is abundant in the Gulf of California. [1] It is known under various common names such as the Mexican hermit crab, the blue-eyed spotted hermit [2] or the Gulf of California hermit crab.
Unlike other hermit crabs, pylochelid hermit crabs are not markedly asymmetrical, with a straight body and equal numbers of appendages on both sides. This characteristic, together with the partial calcification of the abdomen (which is soft in other hermit crabs) led Edward J. Miers, when describing the first species, to consider it to represent a transition between hermit crabs and "Macrura ...