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 ...

From armored bodies to massive appetites, these catfish are built to survive. This video breaks down five different catfish species, how big they get, and what they actually eat.

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 ...

Scientists found an “armored” creature with “copper”-colored teeth in mountain rivers of Brazil and discovered a new species, a study said. Photo from Uzeda, Paiola, Cesar, Okubo, Marques-Frisoni, ...

Scientists found several “armored” animals in rivers of Ecuador and discovered two new species, a study said. Photo shows a representative area. Photo from Joris Beugels via Unsplash In a muddy river ...

Flathead catfish have become a threat to resident species in the Susquehanna River in Pennsylvania. The results of a new study suggest they're outcompeting other predators and reshaping an essential ...

An unusual fish brought from a dhund, or shallow pond, near Sukkur to the Karachi Fish Harbour on January 4, 2026, has been identified as an Amazon sailfin catfish, officials and experts said.The ...