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In the wild, this species varies from brown-tan to blue, but an aquarium strain has been selectively bred to achieve a brilliant cobalt blue color. [5] It should not be confused with the burrowing Cambarus monongalensis, also known as the blue crayfish, but native to Pennsylvania, Virginia and West Virginia. [6] [7] [8]
Crayfish usually have limited home range and so they rest, digest, and eliminate their waste, most commonly in the same location each day. Feeding exposes the crayfish to risk of predation, and so feeding behaviour is often rapid and synchronised with feeding processes that reduce such risks — eat, hide, process and eliminate.
Procambarus clarkii, known variously as the red swamp crayfish, Louisiana crawfish or mudbug, [3] is a species of cambarid crayfish native to freshwater bodies of northern Mexico, and southern and southeastern United States, but also introduced elsewhere (both in North America and other continents), where it is often an invasive pest.
Procambarus is a genus of crayfish in the family Cambaridae, all native to North and Central America. It includes a number of troglobitic species, and the marbled crayfish (marmorkrebs), which is parthenogenetic. Originally described as a subgenus for four species, it now contains around 161 species.
The adult Big Sandy crayfish range from 3 to 4 inches (7.6 to 10.2 cm) in length. Like other crayfish, they have been referred to as "miniature lobsters" since they share similar appearance. The colors of Big Sandy crayfish shells range from olive brown to light green, and their cervical grooves are outlined in blue, aqua, or turquoise. [6]
Crustaceans (from Latin meaning: "those with shells" or "crusted ones") are invertebrate animals that constitute one group of arthropods that are a part of the subphylum Crustacea (/ k r ə ˈ s t eɪ ʃ ə /), a large, diverse group of mainly aquatic arthropods including decapods (shrimps, prawns, crabs, lobsters and crayfish), seed shrimp, branchiopods, fish lice, krill, remipedes, isopods ...
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Lobsters are caught using baited one-way traps with a color-coded marker buoy to mark cages. Lobster is fished in water between 2 and 900 metres (1 and 500 fathoms), although some lobsters live at 3,700 metres (2,000 fathoms).