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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.
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 (Callinectes sapidus) - Also known as the blue claw crab. The crabs are typically found in the mouth of the Hudson River and occasionally wander into the brackish waters of small rivers and coves that pepper the western side of Long Island, including the waters just off Coney Island. Up the Hudson they are found occasionally in the ...
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]
A fisherman harvests blue crabs in the lagoon of Scardovari, south of Venice, Italy, on August 11, 2023. - Piero Cruciatti/AFP/Getty Images
It can be distinguished from the closely related Atlantic blue crab (Callinectes sapidus) by the presence of six frontal teeth on the carapace, compared with only four for C. sapidus. [2] C. ornatus is also smaller, at a maximum carapace width of only 93 millimetres (3.7 in), compared to 230 mm (9.1 in) in C. sapidus , and is therefore not ...
For residents of Ocean City, July 2021 saw thousands of the horseshoe crabs floating in the inland canals. Reports to the Maryland Coastal Bays Program led to an investigation.
Crabs are omnivores, feeding primarily on algae, [25] and taking any other food, including molluscs, worms, other crustaceans, fungi, bacteria, and detritus, depending on their availability and the crab species. For many crabs, a mixed diet of plant and animal matter results in the fastest growth and greatest fitness.