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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 [a] are freshwater crustaceans belonging to the infraorder Astacidea, which also contains lobsters. Taxonomically, they are members of the superfamilies ...
The Tasmanian giant freshwater crayfish (Astacopsis gouldi), also called Tasmanian giant freshwater lobster, is the largest freshwater invertebrate and the largest freshwater crayfish species in the world. The species is only found in the rivers below 400 metres (1,300 ft) above sea level in northern Tasmania, an island-state of Australia.
Euastacus sulcatus, also known as the Lamington crayfish, is a freshwater crayfish, or "yabby", native to Australia. It is commonly bright blue in colour although also existing in a red and white, rusty red, brown, green, orange and completely white variations are found all around its known region. [ 2 ]
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]
The common yabby (Cherax destructor) is an Australian freshwater crustacean in the Parastacidae family.It is listed as a vulnerable species [1] of crayfish by the International Union for Conservation of Nature (IUCN), though the wild yabby populations remain strong, and have expanded into new habitats created by reservoirs and farm dams.
C. quadricarinatus is often kept in aquariums worldwide, and is the only species of crayfish that can be kept in indoor aquaria for ornamental use in the UK (except Scotland) without a licence. [7] [8] It is farmed commercially in Queensland and the Northern Territory, and is harvested at between 35–130 grams (1.2–4.6 oz). [6]
Cambarus monongalensis, the blue crayfish [2] or Monongahela crayfish, [1] is a species of burrowing crayfish native to Pennsylvania and West Virginia. [2] [3] [4] It has also been found recently in Ohio. [5] The common name refers to the Monongahela River, with the first specimens being collected from Edgewood Park, Allegheny County ...