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.

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

Williams said he believes the mutation was caused by two rare occurrences, the first being a developmental anomaly where the egg cell had two nuclei instead of one. That would mean it had two sets of ...

The invasive catfish are growing much faster and larger in the ... The researchers collected a total of 279 fish and 64 ...

WAUPACA, Wisconsin ‒ Wisconsin’s 15,000 lakes are home to all sorts of critters. Not all of them are welcome, however, and that’s what hundreds of elementary and middle school students found out ...

Endangered crayfish rescued from a drying watercourse have been released back into the wild. More than 30 white-clawed crayfish, including 21 egg-carrying females, were removed from a beck in Burley, ...

Virginia has named 12 invasive species as top priorities for management. The list spans animals, plants and insects already causing damage or posing major threats. Officials stress prevention, rapid ...

Lake Fertő has long struggled with invasive species, but the arrival of the marbled crayfish takes the problem to a new level. This crustacean reproduces without males, meaning a single individual can ...

First detected in South Florida in the early 2000s, the sleek, snake-like fish — likely introduced through live food markets from Southeast Asia — now glide through the Everglades marshes as if they ...