Image Gallery: Triplefins and Threefins

The family Tripterygiidae contains small fishes that have three dorsal fins - hence the common name.  42 species are currently known from Australian waters (138 worldwide).  This gallery shows some of them.

Blackthroat Threefin, Helcogramma decurrens Blackthroat Threefin, Helcogramma decurrens
Clark's Threefin at Shelly Beach Clark's Threefin at Shelly Beach
Clark's Threefins mating Clark's Threefins mating
Clark's Threefin at Fingal Island Clark's Threefin at Fingal Island
Clark's Threefin at Zenith Beach Clark's Threefin at Zenith Beach
Clark's Threefin at Boat Harbour Clark's Threefin at Boat Harbour
Crested Threefin, Trinorfolkia cristata Crested Threefin, Trinorfolkia cristata
Crested Threefin at Edithburg Jetty Crested Threefin at Edithburg Jetty
Largemouth Threefin at Lizard Island Largemouth Threefin at Lizard Island
Largemouth Threefin, Ucla xenogrammus Largemouth Threefin, Ucla xenogrammus
Masked Threefin, Enneapterygius similis Masked Threefin, Enneapterygius similis
Masked Threefin at Fly Point Masked Threefin at Fly Point
Ringscale Triplefin at 'The Pipeline' Ringscale Triplefin at 'The Pipeline'
A Ringscale Triplefin at Port Kembla A Ringscale Triplefin at Port Kembla
A Ringscale Triplefin at Nelson Bay Breakwall A Ringscale Triplefin at Nelson Bay Breakwall
Ringscale Triplefin, Enneapterygius atrogulare Ringscale Triplefin, Enneapterygius atrogulare
Male and female Ringscale Triplefins Male and female Ringscale Triplefins