An “iridescent” catfish torpedoed through a rushing blackwater river in Brazil, navigating dead leaves and wood. Little did it know it was soon to be discovered as a new species. Once the “large” fish ...

A variety of fish species have proven instrumental in the investigation of evolution, behavior, ecology, and physiology, among many other fields. Many model systems (e.g., zebrafish, guppies, and ...

There are more than 3,000 types of catfish swimming the waters of Planet Earth at present, with at least 30 of them calling the U.S. home. The majority of them, here and abroad, provide excellent ...