The Eden Rivers Trust said it was looking to find "safe havens", where crayfish in particular "might still thrive, free from invasive species", in the North Pennines fellsides. Tests involve sending ...

Discover the wide range of fish and freshwater creatures that call the Tennessee River and its surrounding valley home.

They explained that while the invaders aren't as destructive as quagga or zebra mussels, they still threaten native wildlife.

MEMBERS of the public are urged to report any sightings of Signal Crayfish, after the invasive species was spotted near the Bridgewater Canal at Stockton Heath.

Athletic Brewing donates up to $2 million annually through its Two for the Trails program. Join a subscriber trip to Panama ...