Invasive Shrimp, Dikerogammarus villosus.

The invasive non native shrimp, Dikerogammarus villosus, was first reported in the UK on 3rd September in Grafham Water SSSI in Cambridgeshire. Briefing note 1 (dated 11th October 2010) outlined the local and national response to the discovery at Grafham Water. It has subsequently been detected on 28th November in Cardiff Bay and Eglwys Nunydd …

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