date:Aug 19, 2014
e American signal crayfish, which are not susceptible to it and are present in many of our Dorset Rivers. It is transferred to new waters either through the movement of the signal crayfish or by water and/or damp equipment that has come from waters that contain signal crayfish. It is not clear yet how the disease reached the River Allen.
American Signal Crayfish look similar to small lobsters, they are red-brown in appearance with large, smooth claws. They are far larger than the endangered nat