Far from its home in Indonesia, a brightly colored creature moved around in an aquarium. Scientists peered into the tank, studying their pet-turned-specimen — and discovered it was a new species.

Life finds a way: Invasive six-inch marble crayfish are able to reproduce by themselves A mutant species of all-female crayfish taking over the world is not the latest science fiction film but a ...

The Environment Agency believes about 100 crayfish have died since September Endangered white-clawed crayfish are being quarantined following the spread of a mystery illness. About 100 of the ...