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Archive of posts filed under the Freshwater Biological Association category.

Dikerogammarus villosus

Dikerogammarus villosus (often referred to as the killer shrimp) is an amphipod native to south-eastern Europe, which has recently spread to western Europe. In September 2010 it was found in Grafham Water, Cambridgeshire. If you find Dikerogammarus, please send a photo and details of location to For more details on how to identify this beast:- […]