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The Ecuadorian hermit crab (Coenobita compressus) also known as the Pacific hermit crab is a species of land hermit crab. It is one of the two land hermit crabs commonly sold in North America as pets, the other being the Caribbean hermit crab ( C. clypeatus ).
The family Homolidae, known as carrier crabs [1] or porter crabs, [2] contains 14 genera of marine crabs. They mostly live on the continental slope and continental shelf , and are rarely encountered. [ 3 ]
Crabs vary in size from the pea crab, a few millimeters wide, to the Japanese spider crab, with a leg span up to 4 m (13 ft). [6] Several other groups of crustaceans with similar appearances – such as king crabs and porcelain crabs – are not true crabs, but have evolved features similar to true crabs through a process known as carcinisation .
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).
Pagurus bernhardus is the common marine hermit crab of Europe's Atlantic coasts. It is sometimes referred to as the common hermit crab or soldier crab.Its carapace reaches 3.5 centimetres (1.4 in) long, [2] and is found in both rocky and sandy areas, from the Arctic waters of Iceland, Svalbard and Russia as far south as southern Portugal, but its range does not extend as far as the ...
Trapeziidae is a family of crabs, commonly known as coral crabs. All the species in the family are found in a close symbiosis with cnidarians . They are found across the Indo-Pacific , and can best be identified to the species level by the colour patterns they display. [ 2 ]
The crabs are collected by certain crab catching communities or experts belonging to certain castes and tribes. Then they are sold in the weekly markets. They are not exhibited in special crab markets but rather in fish markets. The species is hardy to withstand without water in moist and can airbreath and remain live without food for a few days.
Lissocarcinus orbicularis, common names sea cucumber crab [2], red-spotted white crab, [1] and harlequin crab [3] is a species of crab in the family Portunidae. [1] This species gains one of its names from its close-knit relationship with holothuroids , the sea cucumbers. [ 3 ]