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 ?
Agriculture and Food Security Minister Peter Walsh said a 12-month Fisheries Notice would align Victorian regulations governing the take of Murray spiny freshwater crayfish with New South Wales.
increasing the minimum size limit (from the rear of the eye socket to the centre rear of the carapace) for spiny freshwater crayfish from 9 centimetres to 10 centimetres and introducing a maximum size limit of 12 centimetres, to ensure all females reach sexual maturity and very large crayfish can continue to exist within the population;
The monophyletic origin of freshwater crayfish estimated from nuclear and mitochondrial DNA sequences.
Embryonic development of the freshwater crayfish (Pacifastacus leniusculus Dana): a scanning electron microscopic study.
But while some wildlife, such as otters and buzzards, are doing well, others, including water voles, house sparrows and freshwater crayfish, are declining because their habitats are disappearing.
They include recent bids to conserve rock holes in the far north; an endangered freshwater crayfish study; a bid to improve the status of the red-tailed black cockatoo through threat abatement and a reef watch intertidal monitoring program.
We also enjoyed some wonderful freshwater crayfish which I served with a sauce Nantua.
An investigation of the enzymes during degradation in the freshwater crayfish Orconectes rusticus, on acclimation to 50% seawater.
Keeping berried female yabbies - those carrying eggs on the underside of the tail is now prohibited across the state for the first time, which is consistent with other freshwater crayfish regulations, Mr Walsh said.
These features help to slow the current and trap silt which helps provide shelter for young fish such as salmon, trout and bullhead, as well as freshwater crayfish and insect larvae.
Projects to conserve rock holes in the Far North and study an endangered freshwater crayfish are among 142 recipients of over $2 million in Natural Resource Management Community Grants.