Nematognathi n. pl. : An order of fishes having barbels on the jaws. It includes the catfishes, or siluroids. See Siluroid.

Example:


Taxonomy
catfish, species, fish, 06-22, John, food, barbels, juveniles, Ictaluridae, humans, genus, plates, family, Lundberg, order Siluriformes, Aspredinidae, Auchenipteridae, Loricariidae.

Defination from the web:
Nematognathi) Jump to: navigation, search. For other uses, see Catfish (disambiguation) ... Catfish (order Siluriformes) are a diverse group of bony fish. ...