News for: Crayfish

Threatened crayfish rescued from claws of invasive species

Tuesday, September 11, 2018

A threatened species of crayfish is making a comeback in Lincolnshire after the Environment Agency (EA) and conservation groups relocated them away from their invasive non-native predators.

Native white-clawed crayfish – the country’s largest freshwater crustaceans – have been in decline since non-native American signal crayfish escaped into UK waters in the 1970s. The larger, invasive crayfish outcompete native species for food and habitat and carry a disease fatal to the UK species.

Crayfish claw back after River Wye conservation project

Wednesday, September 28, 2016

From the BBC: "Efforts to save the native white-clawed crayfish from extinction in Wales are showing "encouraging" results. Natural Resources Wales (NRW) said an innovative project has seen approximately 4,000 of the threatened crustaceans reared and released here since 2009. The focus is on the River Wye and its tributaries, the last remaining native crayfish stronghold in Wales. Some fear the species could die out completely by 2030. Crayfish are considered a key indicator of the health of our rivers.

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