While flathead catfish are native to western Pennsylvania, the first report of the species in the Delaware River basin further east was from Blue Marsh Reservoir and in the Susquehanna during the ...

The catfish are dark green or black, with a paler belly. Similar to other catfish species, they have long, eel-like bodies and flat heads with wide mouths. They have two long barbels on the upper jaw ...

The proposal is part of an effort to stem the spread of the species, which has invaded the Chesapeake Bay’s tributaries.

Study reveals an invasive fish has become the top predator of the Susquehanna in just over two decades. Here's why.

There is no bright flash or loud bang, no sharp crackling sound. But the Potomac River has been electrified, and moments ...

The Wels catfish has gone viral for its unique pigeon-hunting behavior. Read here to learn why and how they hunt pigeons.

The blue catfish was never supposed to be in the Chesapeake Bay. In the 1970s, the species was introduced into the James River in Virginia as a trophy fish. From there, it quietly slipped into the Bay ...

VIRGINIA BEACH, Va. — Keisha Sedlacek is the federal director for the Chesapeake Bay Foundation and said blue catfish are a threat to the native species in the Bay, preying on nearly anything in their ...

Museum ichthyologist Cristhian Conde-Saldaña uses evolutionary genetics to study freshwater fishes and document at-risk biodiversity Erin Wunderlich Researchers working with Cristhian Conde-Saldaña ...