1. (an order of fish belonging to the superorder Malacopterygii including catfishes)
Siluriformes, order Siluriformes


2. (any of numerous mostly freshwater bottom-living fishes of Eurasia and North America with barbels like whiskers around the mouth)
catfish, siluriform fish: :

3. (large ferocious northern deep-sea food fishes with strong teeth and no pelvic fins)
wolffish, wolf fish, catfish: :