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white-clawed crayfish

White-clawed crayfish Austropotamobius pallipes

The White-clawed crayfish is a freshwater, bronze-coloured crustacean with pale undersides to its claws - hence the name. It is under threat from an invasive and introduced species of crayfish. Image: Bernard Dupont (Flickr). 

Find out more: iNaturalist, Suffolk Wildlife Trust, JNCC – Species description