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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.
They share a very similar overall shape with the Atlantic Blue Crab. [6] The carapace of a Speckled swimming crab is light brown, light maroon, or olive with many white or tan irregular round spots. [6] The males tend to be more colorful. [6] The carapace can reach lengths between 4.5 and 6 inches wide (~120-150mm). [6]
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.
These tiny blue crabs were revealed in a handful of sand
The decapod (crustaceans, such as a crab, lobster, shrimp or prawn) is made up of 20 body segments grouped into two main body parts: the cephalothorax and the pleon . [1] [2] Each segment may possess one pair of appendages, although in various groups these may be reduced or missing. They are, from head to tail:
Callinectes sapidus – blue crab; Callinectes similis; Cancer bellianus; Cancer borealis – Jonah crab; Cancer irroratus – Atlantic rock crab; Cancer pagurus – edible crab; Carcinus maenas – European shore crab; Cardisoma guanhumi – blue land crab; Carpoporus papulosus; Celatopesia concava; Chaceon fenneri – golden crab ...
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.
Archosargus probatocephalus is an omnivore, the larger juveniles and adults are predators of blue crab (Callinectes sapidus), oysters, clams, crustaceans, and small fish with the young Atlantic croakers (Micropogonias undulatus) The large flattened teeth are used to crush prey protected by shells or armor as well as to scrape barnacles off ...