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Portunus pelagicus, also known as the blue crab, blue swimmer crab, blue manna crab and flower crab is a species of large crab found in the Indo-Pacific, including off the coasts Indonesia, [1] Malaysia, [2] Cambodia, [3] Thailand, [4] the Philippines, [5] and Vietnam; [6] and in the intertidal estuaries around most of Australia and east to New Caledonia.
Blue crab escaping from the net along the Core Banks of North Carolina.. Callinectes sapidus (from the Ancient Greek κάλλος,"beautiful" + nectes, "swimmer", and Latin sapidus, "savory"), the blue crab, Atlantic blue crab, or, regionally, the Maryland blue crab, is a species of crab native to the waters of the western Atlantic Ocean and the Gulf of Mexico, and introduced internationally.
Mictyris longicarpus, the light-blue soldier crab, is a species of crab that lives on sandy beaches from the Bay of Bengal to Australia; with other members of the genus Mictyris, it is "one of the most loved crabs in Australia". [2] Adults are 25 mm (1 in) across, white, with blue on their backs, and hold their claws vertically.
Blue crab may refer to: Blue Crab 11, an American sailboat design; Callinectes sapidus – Chesapeake or Atlantic blue crab of the West Atlantic, introduced elsewhere; Cardisoma guanhumi – blue land crab of the West Atlantic; Discoplax celeste – blue land crab of Christmas Island; Paralithodes platypus – blue king crab of the North Pacific
Portunus segnis, the African blue swimming crab, is a species of crustacean, a swimming crab belonging to the family Portunidae. While native to the western Indian Ocean, it is also invasive in the Mediterranean. It is thought to have come through the Suez Canal from the Red Sea but it may have been transported by ships. [2]
Callinectes similis, sometimes called the lesser blue crab [1] or dwarf crab, [2] is a West Atlantic species of blue crab. It was described by Austin B. Williams in 1966. Description
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 .
The carapace may reach 15 centimetres (5.9 in) wide, and 7 cm (2.8 in) from front to back. P. trituberculatus may be distinguished from the closely related (and also widely fished) P. armatus by the number of broad teeth on the front of the carapace (three in P. trituberculatus, four in P. armatus) and on the inner margin of the merus (four in P. trituberculatus, three in P. armatus).