Wikipedia

Catfishes (order (biology)|order Siluriformes) are a diverse group of Actinopterygii|ray-finned fish. Named for their prominent barbel (anatomy)|barbels, which resemble a cats whiskers, catfish range in size and behavior from the heaviest and longest, the Mekong giant catfish from Southeast Asia and the second longest, the wels catfish of Eurasia, to detritivores (species that eat dead material on the bottom), and even to a tiny parasitic species commonly called the candiru, Vandellia cirrhosa. There are armour-plated types and also naked types, neither having scales. Despite their name, not all catfish have prominent barbels; members of the Siluriformes order are defined by...

Original article

Genomics from NCBI

TaxId: 7995 Siluriformes "catfishes" [bony fishes] Sequences: nucleotide, protein

• Arctos Specimen Database
• Barcodes of Life
• Encyclopedia of life
• Integrated Taxonomic Information System
• NCBI taxonomy bookmarks
• Tree of Life
• World Register of Marine Species

Map from GBIF