The new species has “two color forms,” researchers said and photos show. The “purple form” crayfish have turquoise bodies dotted with purple spots. Their joints and tails have a paler white hue. “Blue ...

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 ...