Physostomi /(fĭsŏs"tō̇mī)/

Phy·sos·to·mi

Physostomi

prop. n. pl.

An order of fishes in which the air bladder is provided with a duct, and the ventral fins, when present, are abdominal. It includes the salmons, herrings, carps, catfishes, and others. (Zool.)