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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 ...
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 ]
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.
Pacifastacus fortis (known as the Shasta crayfish or placid crayfish) is an endangered crayfish species endemic to Shasta County, California, where it is found and first described in 1914, only in isolated spots along the Pit River and Fall River Mills. [4] It is estimated that there are a total of roughly 4000 of the species still alive today. [5]
The crawfish was said to be as thick as the trunk of a full-grown palm tree. [11] (At the time, the locals (the people of Leikigne) gave credence to the report and believed that the victim could not have drowned because he swam "like a dolphin" – but a shark would not have killed him either, because there are usually no sharks in the lagoon ...
Faxonius immunis is a species of crayfish in the family Cambaridae. [2] It is native to North America and it is an introduced species in Europe, where it lives along the Upper Rhine . Its common names include calico crayfish and papershell crayfish .
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]
Astacus astacus, the European crayfish, noble crayfish, or broad-fingered crayfish, is the most common species of crayfish in Europe, and a traditional food source. Like other true crayfish, A. astacus is restricted to fresh water , living only in unpolluted streams, rivers, and lakes.