Triakidae

noun

Small to moderate-sized sharks with horizontally oval eyes, nictitating eyelids, anterior nasal flaps, two large-sized, spineless dorsal fins and an anal fin, the first dorsal base well ahead of pelvic bases. Species found in all warm and temperate coastal seas. They feed primarily on bottom and midwater invertebrates and bony fishes.

The family Triakidae belongs to the Class Elasmobranchii (sharks and rays) and the Order Carcharhiniformes. It contains 9 genera and 34 species. It may be found in Marine environments and is primarily Marine. Members of this family are not used in the aquarium trade. Reproductively, most members of this family are bearers. The main mode of swimming of adult fish in this family is subcarangiform. Compared with other fish, the activity level of this family tends to be sluggish. Members of this family have been dated back to the Eocene epoch of the Tertiary period. Etymology of this family name: Greek, triakis = thrice