In near darkness, divers may suddenly encounter alligators, catfish with mouths as wide as your shoulders ... What wasn’t normal on that spring day was a three-inch-long fecal fossil, what researchers ...

Flathead catfish -- native to the Mississippi River basin -- were first detected in the Susquehanna River in Pennsylvania in 2002, according to the U.S. Geological Survey. In the two decades since ...

Chaetostoma sacramento, or the Sacramento rubbernose pleco, is a species of catfish caught in researcher’s nets in 2022, according to a study published Oct. 18 in the peer-reviewed Journal ...