Over the last 20-30 years, river pollution and habitat loss have taken their toll on our only native crayfish. The tributaries of the Usk and the Wye are real enclaves for these lobster-like ...

Until recently there were sites with remaining populations of white-claw crayfish in Sheffield, but one of those is now extinct and the other vulnerable. If no action is taken the white-clawed ...

Researchers in Brownsville, Texas, have been investigating reports of an Australian red claw crayfish, a crustacean that typically belongs 8,000 miles away, after the species was seen pervading ...

The interloper, according to scientists and residents, is the hard-back Australian red claw crayfish, which has been multiplying at the expense of the popular, tastier, softer-shell crustacean.