crayfish

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crayfish

a decapod crustacean (suborder Macrura) that possesses an elongate body of the CARIDOID FACIES type.

crayfish

Includes many genera and species, many of them farmed, e.g. Procambarus, Oronectes, Astacus, Pastifastacus spp. Called also freshwater crayfish.

freshwater crayfish
see crayfish (above).
crayfish plague
epizootic disease of European crayfish (Astacus astacus) caused by Aphanomyces astaci. Affects also Cherax spp. (American crayfish), Pacifastacus leniusculus.
References in periodicals archive ?
We often collect crayfishes incidentally in our seines during these fish surveys and while using methods described in Archdeacon et al.
deanae to monitor changes in distribution, and thereby might facilitate the prevention of future spread by informing the public and regulating against the transport of crayfishes among water bodies.
Laboratory experiments with Pacifastacus leniusculus, Procambarus clarkii, and several native European crayfishes have shown that the North American species were competitively dominant and posed a significant ecological threat in addition to enabling disease transmission (Vorburger and Ribi, 1999; Gherardi and Daniels, 2004; Gherard, 2006).
It is also possible that the spread of resident crayfishes in southern Illinois as bait could lead to local extinctions.
Comparative ecology of the crayfishes Orconectes rusticus and Cambarus tenebrosus in Doe Run, Meade County, Kentucky.
Key to the crayfishes of Tennessee [abstracted from H.
5 h at the type locality and netting 150 crayfishes, 40 (27%) of which were B.
It was not until Momot's (1995) review that the role of crayfishes as indiscriminant omnivores was questioned.
Observations on the blind crayfishes of Indiana, with a description of a new subspecies; Cambarus pellucidus testii.