The predatory gammarid shrimp, Dikerogammarus villosus (commonly dubbed the 'killer shrimp'), which was discovered at Grafham Water in Cambridgeshire in September, has now been found in Wales.

Environment Agency Wales said it has now been confirmed at Cardiff Bay and Eglwys Nunydd Reservoir in Port Talbot. It is not known how it arrived there. The Welsh Assembly has set up an all-Wales group to contain the species as much as possible, including Environment Agency Wales, the Countryside Council for Wales, Cardiff Harbour Authority and the owners of Eglwys Nunydd.

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