An extensive investigation of South American Corydoras catfish, reveals that catfish communities, although containing almost identically colored and patterned fish, could actually contain three or ...

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 ...

Peer into any stream in a South American rainforest and you may well see a small shoal of similar-looking miniature catfish. But don't be fooled into thinking that they are all the same species.

A new species of catfish was discovered from a river in Brazil, according to researchers. Photo shows a representative area of a river. Photo by Felipe Dias on Unsplash An “iridescent” catfish ...

Algae creeps in, uneaten food settles, and suddenly your crystal-clear tank looks more like a swamp. But what if you could recruit a team of aquatic janitors to help with the dirty work? Good news: ...

Peer into any stream in a South American rainforest and you may well see a small shoal of similar-looking miniature catfish. But don't be fooled into thinking that they are all the same species.