[kat-fish] 
) -fish, (especially referring to two or more kinds or species) -fish⋅es. | 1. | any of the numerous fishes of the order or suborder Nematognathi (or Siluroidei), characterized by barbels around the mouth and the absence of scales. |
| 2. | a wolffish of the genus Anarhichas. |
| 3. | any of various other fishes having a fancied resemblance to a cat. |
| cat·fish (kāt'fĭsh') n. pl. catfish or cat·fish·es Any of numerous scaleless, chiefly freshwater fishes of the order Siluriformes, characteristically having whiskerlike barbels extending from the upper jaw. Also called regionally bullhead, mud cat. |