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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.
Male fiddler crabs use many signalling techniques and performances towards females to win over a female to mate. [20] Females choose their mate based on claw size and also quality of the waving display. [21] It is very common for male fiddler crabs to be viewed fighting against one another. Male fiddler crabs fight primarily over females and ...
Another conspicuous difference is the form of the pleon ; in most male crabs, this is narrow and triangular in form, while females have a broader, rounded abdomen. [14] This is because female crabs brood fertilised eggs on their pleopods.
Cardisoma guanhumi, also known as the blue land crab or great land crab, is a species of land crab found in tropical and subtropical estuaries and other maritime areas of land along the Atlantic coast of the Americas from Brazil [2] and Colombia, through the Caribbean and Gulf of Mexico, to the Bahamas, and north to Ponce Inlet, Florida [3] Princess Place Preserve in Palm Coast, and Bermuda. [4]
Lee ‘Lucky’ Alewine sorts blue crabs on Sept. 20, 2024, throwing back small ones or females carrying eggs and keeping crabs that are at least five inches from across the shell, point to point.
Colder water slows the rate of crab growth and crabs at northern latitudes are often smaller than more southern crabs. Commercial harvest of blue king crabs at the Pribilof Islands is limited to males with a carapace width (CW) over 6.5 in (17 cm) and St. Matthew Island is limited to crabs with CW greater than 5.5 in (14 cm), [19] [21 ...
Common names include blue swimmer crabs, Blue manna, Blueys, [2] and Jennies (for females). [3] The species was originally considered as a geographic variation of Portunus pelagicus, however in 2010 the Portunus pelagicus species was reviewed using DNA, as well as physical characteristics including measurements and four species recognised ...