American crayfish


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Related to American crayfish: Signal crayfish
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Words related to American crayfish

common large crayfishes of eastern North America

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Once American crayfish have been released into a river, there is no practical way to remove them.
A checklist of the North and Middle American crayfishes (Decapoda: Astacidae and Cambaridae).
Our purpose for this research is to report on the conservation status of the North American crayfish fauna distributed in the southeastern United States using the International Union for Conservation of Nature and Natural Resources (IUCN) red list criteria.
Not only are their numbers in decline because of American Crayfish invading their habitats, fishermen can also spread a dangerous fungus from the American species with their nets and waders.
North American crayfish warrant conservation attention because they make up the majority of world crayfish diversity and also constitute one of the most threatened taxonomic groups on the continent (Ricciardi and Rasmussen, 1999; Taylor, 2002).
The giant-pincered American crayfish multiplies furiously and mows through frogs, tadpoles, small fish and aquatic plantlife.
She said: "The crayfish at Ensor's Pool are susceptible to this epidemic, which has been introduced by American crayfish.
MISSING Conservation Officer Anne Lewis searches the waterways in Plessey Woods for the alien American Crayfish.
American crayfish are direct competition for the white-claw for space and food.
American crayfish can also carry the crayfish plague, which can devastate a native crayfish population.
American crayfish are preferred to their rather weedy British counterparts, but they are now regarded as a menace because they carry a virus which kills native crayfish.
The march of the American crayfish has been relentless with very few rivers now containing only the native white-clawed species.
The large American crayfish were introduced to the UK for restaurant food in the 1970s and many escaped from captivity.
The protected species is highly susceptible to pollutants and has suffered a serious population decline due to competition from introduced American crayfish species, crayfish plague and the destruction of suitable habitat.
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