Noun | 1. | Mullidae - goatfishes or red mullets fish 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 mullet - bottom dwelling marine warm water fishes with two barbels on the chin genus Mullus, Mullus - type genus of the Mullidae: goatfishes genus Mulloidichthys, Mulloidichthys - a genus of Mullidae |