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Venitus latreillei, commonly known as the giant sentinel crab, is a species of crab in the family Macrophthalmidae, sub family Macrophthalminae. [1] It is a large sentinel crab, carapace width recorded as up to 60 mm across. [ 2 ]
The giant hermit crab [1] (Petrochirus diogenes) is a species of marine hermit crab. This species lives in the Caribbean Sea, and often inhabits conch shells. [2] This species of hermit crab is large enough that it can inhabit a fully grown shell of the queen conch. It will attack and eat a conch, thus obtaining a meal and a shell. [3]
This crab specimen from the American Museum of Natural History measures 3.8 metres (12 ft) across its outstretched legs. Female crabs carry the fertilized eggs attached to their abdominal appendages until they hatch into tiny planktonic larvae. [12] They can lay up to 1.5 million eggs per season, and these eggs hatch in 10 days on average. [5]
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]
The Acadian hermit crab, also known as Pagurus acadianus, can be found in the Western Atlantic Ocean, including areas such as the Vineyard Sound. [5] In addition, the Acadian hermit crab has been cited as the most abundant species of crab in Salisbury Cove, Maine by William C. Grant, Jr, during his extensive study of hermit crabs populating this area in 1961.
Like the blue crab, its common name comes from the color of its shell; it is usually cream to tan in color. Both parts of the binomen Chaceon fenneri commemorate Fenner A. Chace Jr. [ 1 ] It is found on the ocean floor at depths of 200 to 1,500 m (660–4,920 ft) in the tropical west Atlantic, ranging from the Gulf of Mexico to Brazil. [ 2 ]
Leptomithrax gaimardii (common name - Great spider-crab) is a species of crab in the Majidae family, first described by Henri Milne-Edwards in 1834 as Paramithrax gaimardii, [3] [4] from a specimen (erroneously said to be) found in New Zealand waters [3] by Joseph Paul Gaimard who is honoured by the species epithet.
The great spider crab (Hyas araneus) is a species of crab found in northeast Atlantic waters and the North Sea, usually below the tidal zone. [ 1 ] In 1986, two specimens were captured at the South Shetland Islands off the Antarctic Peninsula , apparently transported by human agency. [ 2 ]