King crab
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King crabs or stone crabs are marine decapod crustaceans of the family Lithodidae that are found chiefly in deep waters and are adapted to cold environments. They are composed of two subfamilies: Lith
Neolithodes agassizii eating
Cryptolithodes sitchensis sandy orange carapace frontal
Fish 4032 Flickr NOAA Photo Library
Phyllolithodes papillosus 3
Carcinisation
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Carcinisation is a form of convergent evolution in which non-crab crustaceans evolve a crab-like body plan. The term was introduced into evolutionary biology by Lancelot Alexander Borradaile, who desc
King crab
…hermit crabs is supported by several anatomical peculiarities which are present only in king crabs and hermit crabs, making them a prominent example of carcinisation among decapods. Several species of king crabs, especially in Alaskan and southern South American waters, are targeted by commercial fisheries and have…
Porcelain crabs resemble true crabs, but are more closely related to squat lobsters and hermit crabs.
A raninid true crab preserved specimen.