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Faxonius virilis is a species of crayfish known as the virile crayfish, northern crayfish, eastern crayfish, and lesser known as the lake crayfish or common crawfish. Faxonius virilis was reclassified in August 2017, and the genus was changed from Orconectes to Faxonius . [ 4 ]
The name "crayfish" comes from the Old French word escrevisse (Modern French écrevisse). [2] [3] The word has been modified to "crayfish" by association with "fish" (folk etymology). [2] The largely American variant "crawfish" is similarly derived. [2] Some kinds of crayfish are known locally as lobsters, [4] crawdads, [5] mudbugs, [5] and ...
It is commonly called crayfish in Australia and New Zealand and kōura in Māori. [3] They resemble lobsters , but lack the large characteristic pincers on the first pair of walking legs. Spiny rock lobsters are carnivorous , leaving their rock cover to venture out to feed during the night.
Cambarus bartonii is a species of crayfish native to eastern North America, where it is called the common crayfish [3] or Appalachian brook crayfish. [2]Cambarus bartonii was the first crayfish to be described from North America, when Johan Christian Fabricius published it under the name Astacus bartonii in his 1798 work Supplementum entomologiae systematicae. [4]
Pontastacus leptodactylus, [2] the Danube crayfish, [3] Galician crayfish, [3] Turkish crayfish [4] or narrow-clawed crayfish, is a relatively large and economically important species of crayfish native to fresh and brackish waters in eastern Europe and western Asia, mainly in the Pontic–Caspian region, among others including the basins of the Black Sea, and the Danube, Dnieper, Don and ...
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 ...
The Hell Creek Crayfish lacks pigment in its body and does not have eyes. It reaches an overall body length of 2.5 to 3.0 inches. [3] It has a convergent rostrum, which is the beak-like shell located between the crayfish's eyes. [5]
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.