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 ...

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.

Aquarium enthusiasts have profound love and admiration for aquatic life. Though fishes are often seen as low maintenance, they also come with their unique challenges. For instance, keeping the ...

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 ...

Researchers found a new species of armored catfish from streams in northeastern Brazil, according to a new study. Photo by Tencatt LFC, Couto OLP, Santos SA, Sousa LM via Neotropical Ichthyology and ...