| Noun | 1. | Trichodontidae - two species of elongate compressed scaleless large-eyed fishes that live in sand or mudfish family - any of various families of fish order Perciformes, order Percomorphi, Perciformes, Percomorphi - one of the largest natural groups of fishes of both marine and fresh water: true perches; basses; tuna sandfish - either of two small silvery scaleless fishes of the northern Pacific that burrow into sand |