Acanthanectes (2)
Apopterygion (Threefin blenny) (2)
Axoclinus (Threefin blenny) (6)
Bellapiscis (Threefin blenny) (2)
Blennodon (Triplefin blenny) (1)
Brachynectes (Threefin blenny) (1)
Ceratobregma (Threefin blenny) (2)
Cremnochorites (Threefin blenny) (1)
Crocodilichthys (Threefin blenny) (1)
Cryptichthys (Threefin blenny) (1)
Enneanectes (Triplefin) (16)
Enneapterygius (Triplefin) (63)   (1)
Forsterygion (Triplefin) (9)
Gilloblennius (Threefin blenny) (2)
Helcogramma (Threefin blenny) (43)
Helcogrammoides (Threefin blenny) (3)
Karalepis (Threefin blenny) (1)
Lepidoblennius (2)
Lepidonectes (Triplefin blenny) (3)
Matanui (2)
Norfolkia (Threefin blenny) (4)
Notoclinops (Threefin blenny) (3)
Notoclinus (Threefin blenny) (2)
Ruanoho (Threefin blenny) (3)
Springerichthys (2)
Tongarewa (2)
Trianectes (Threefin blenny) (1)
Trinorfolkia (Threefin blenny) (3)
Tripterygion (cockabullies) (7)
Ucla (1)

(...) = Species count
(...) = Endangered count
(...) = Invasive count