The Amazon is the largest, most biologically diverse basin in the world. Its rainforest, the planet’s greatest continuous tropical forest, plays a critical role in global climate regulation. The ...

Catfish are a diverse group of ray-finned fish. Public Domain image, CC3.0. Large migratory catfish, such as piramutaba (Brachyplatystoma vaillantii), travel up to 11,000 km round trip between the ...

A side, top and bottom view of the Xyliphius sofiae specimen shows off this blind catfish's almost colorless skin. Mark Sabaj/Academy of Natural Sciences of Drexel University A newly discovered ...

An international team of scientists has confirmed that the dorado catfish (Brachyplatystoma rousseauxii) of the Amazon River basin holds the record for the world's longest exclusively freshwater fish ...

Lesley de Souza never expected the species of catfish she was searching for to be served up to her on a platter—but then she got to dinner. The Field Museum conservation biologist spent her days ...