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Maguimithrax spinosissimus, [2] also known as the Caribbean king crab, [3] West Indian spider crab, channel clinging crab, reef or spiny spider crab, and coral crab, is a species of spider crab that occurs throughout South Florida and across the Caribbean Islands.
The Japanese spider crab (Macrocheira kaempferi) is a species of marine crab and is the biggest one that lives in the waters around Japan. At around 3.7 meters, it has the largest leg-span of any arthropod .
The phylogeny of king crabs as hermit crabs who underwent secondary calcification and left their shell has been suspected since the late 1800s. [4] They are believed to have originated during the Early Miocene in shallow North Pacific waters, where most king crab genera – including all Hapalogastrinae – are distributed and where they exhibit a high amount of morphological diversity.
A red king crab. The example of king crabs (family Lithodidae) evolving from hermit crabs has been particularly well studied, and evidence in their biology supports this theory. For example, most hermit crabs are asymmetrical, and fit well into spiral snail shells; the abdomens of king crabs, even though they do not use snail shells for shelter ...
Paralomis manningi, known as the deep-sea spider crab, [2] is a species of king crab. [1] It has been found in the San Clemente Basin off the coast of Southern California at a depth of 1,922 m (6,306 ft) and off the coast of Oregon at a depth of 1,132 m (3,714 ft). [1] [2] It was originally associated only with a single deep-sea whale fall ...
The viral baby king crab has broken the internet with thousands of fans overnight.. NOAA Fisheries shared a video on social media of a juvenile Neolithodes agassizii, commonly known as king crab ...
The Tasmanian giant crab is one of the largest crabs in the world, reaching a mass of 17.6 kg (39 lb) and a carapace width of up to 46 cm (18 in). [6] Among crabs, only the Japanese spider crab (Macrocheira kaempferi) can weigh more. [5] Male Tasmanian giant crabs reach more than twice the size of females, [7] which do not exceed 7 kg (15 lb). [6]
Common names for crabs in this genus include "queen crab" (in Canada) and "spider crab". The generic name Chionoecetes means snow ( χιών , chion ) inhabitant ( οἰκητης , oiketes ); [ 3 ] opilio means shepherd , and C. opilio is the primary species referred to as snow crab.