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In the United Kingdom and Ireland, the terms crayfish or crawfish commonly refer to the European spiny lobster, a saltwater species found in much of the East Atlantic and Mediterranean. [33] The only true crayfish species native to the British Isles is the endangered white clawed crayfish .
Cherax, commonly known as yabby/yabbies in Australia, is the most widespread genus of fully aquatic crayfish in the Southern Hemisphere. Various species of cherax may be found in both still and flowing bodies of freshwater across most of Australia and New Guinea. Together with Euastacus, it is also the largest crayfish genus in the Southern ...
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]
Astacidae is a family of freshwater crayfish native to Europe, western Asia and western North America. The family is made up of four extant (living) genera: The genera Astacus (which includes the European crayfish), Pontastacus (which includes the Turkish crayfish), and Austropotamobius are all found throughout Europe and parts of western Asia, while Pacifastacus (which includes the signal ...
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.
Parastacidae belongs to the superfamily Parastacoidea, the monotypic taxon which contains all crayfish in the Southern Hemisphere. Parastacoidea is the sister taxon to Astacoidea, which contains all crayfish of the Northern Hemisphere. Crayfish and lobsters together comprise the infraorder Astacidea, as shown in the simplified cladogram below ...
Euastacus diversus is a species of southern crawfish in the family Parastacidae. [2] [1] The IUCN conservation status of Euastacus diversus is "EN", endangered. The species faces a high risk of extinction in the near future. The IUCN status was reviewed in 2010. [1]
It is an introduced species in adjacent regions, including Massachusetts, Vermont, and Ontario in Canada. [1] It is known commonly as the Allegheny crayfish [ 2 ] and the obscure crayfish . This species lives in slow-moving waterways and pools with rocky substrates, where it hides beneath rocks. [ 1 ]