Crayfish at Brewer's Pond, Stanmore

Crayfish at Brewer's Pond, Stanmore

Observation - Crayfish at Brewer's Pond, Stanmore - UK and Ireland. Description: Survey reports have previosly identified the crayfish at Brewer's Ponds Stanmore as American Signal Crayfish. But I am unsure due to the size of the claws. any assistance greatly appreciated.

Survey reports have previosly identified the crayfish at Brewer's Ponds Stanmore as American Signal Crayfish. But I am unsure due to the size of the claws. any assistance greatly appreciated.