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The Everglades crayfish [2] (Procambarus alleni), sometimes called the Florida crayfish, the blue crayfish, the electric blue crayfish, or the sapphire crayfish, is a species of freshwater crayfish endemic to Florida in the United States.
Cherax boesemani is a relatively large crayfish, adult body length is 5–6 in (13–15 cm). [2] Variable blues, reds, and oranges are the predominant carapace colours, which has led to extensive selective breeding to create new commercial strains, with names such as Blue Moon, Supernova, Papuan red, tricolor and Red Brick.
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 ...
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.
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]
Marwell Zoo, near Winchester, wants to raise £20,000 to help the endangered crustacean.
Cherax woworae, the steel blue crayfish, is a species of crayfish native to Southwest Papua, a province of Indonesia. [1] The species is popular in the pet trade, in which it is sold under the name "blue moon crayfish". [2] This has led to it becoming an introduced species in other countries, such as Hungary. [2]
The genus Cambarus is the second largest freshwater crayfish genus inhabiting the Northern Hemisphere, with only sixty fewer species than the genus Procambarus. [2] Though Cambarus are varied across species, the two terminal elements that make up the male form I gonopod form ninety degree angles with the central appendage, allowing for their identification.
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