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 ...

Invasive species like the blue catfish and snakehead are threatening ecosystems across Maryland’s waters. Chefs say that if we can’t beat ’em, we should eat ’em. These species vary considerably from ...

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 ...

In a river of southern China, a large predator with “thick” skin rested on the riverbed and waited for its next meal. Its “small” eyes scanned its surroundings, but it wasn’t the only one looking ...