The Hawaiian blackhead triplefin, also known as the Hawaiian triplefin in Hawaii, is a species of triplefin blenny in the genus Enneapterygius. It is a tropical blenny found in coral reefs in the Pacific Ocean, from the Hawaiian Islands, French Frigate Shoals, Laysan Island, and Midway Atoll. Blennies in this species swim at a depth range of 1–23 metres, and inhabit dead coral and rock.
Enneapterygius clarkae, the barred triplefin, is a species of threefin blenny in the genus Enneapterygius. It was described by Wouter Holleman in 1982, and was given its species epithet in honour of American ichthyologist Eugenie Clark (1922-2015) It is a tropical blenny known from the Indian Ocean, and has been described from the Red Sea to Natal, South Africa. Male barred triplefins can reach a maximum length of 2.5 centimetres.
Enneapterygius elegans, the hourglass triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was originally described by Wilhelm Peters as a species of Tripterygium, in 1876, but was reassigned to Enneapterygius by W. Holleman in 1986. It is a tropical blenny known from reefs across the western central Indian to the central Pacific Ocean, and swims at a depth range of 0–12 metres. Male hourglass triplefins can reach a maximum length of 4 centimetres. The blenny gets its common name from an hourglass-shaped marking on its body.
Enneapterygius flavoccipitis, the yellownape triplefin or northern bicoloured triplefin, in Australia, is a species of threefin blenny in the genus Enneapterygius.
The northern yellow-black triplefin, also known as the northern Australian yellow-black triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by German Ichthyologist Ronald Fricke in 1994. It is a tropical blenny, endemic to northern Australia, in the western Pacific and southeastern Indian Oceans. It is a non-migratory species which dwells in shallow tidal pools on coralline rock and in seagrass, and has been recorded swimming at a depth range of 0–15 m (0–50 ft). Male northern yellow-black triplefins can reach a maximum length of 2.8 centimetres.
Enneapterygius tutuilae, known commonly as the high-hat triplefin or rosy cheek threefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by David Starr Jordan and Alvin Seale in 1906. This species occurs from the eastern Indian Ocean around the Cocos (Keeling) Islands east to French Polynesia. Its specific name refers to the Samoan island of Tutuila where the type was collected.
Enneapterygius altipinnis also known as the highfin triplefin is a species of triplefin blenny in the genus Enneapterygius. It is found in the Red Sea. It was regarded as a synonym of Enneapterygius tutuilae but in 2018 the species was reinstated as being valid.
Enneapterygius mirabilis, the miracle triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Ronald Fricke in 1994 who gave it the specific name mirabilis, meaning "admirable", because its notable large pectoral fins and first dorsal fin were pretty.
Enneapterygius ventermaculus, the blotched triplefin or Pakistan triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Wouter Holleman in 1982.
Enneapterygius nigricauda, known commonly as the blacktail triplefin or the Pacific blacktail triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Ronald Fricke in 1997. It is found in the western Pacific Ocean from the Bonin Islands to Wake Island.
Enneapterygius paucifasciatus, the New Caledonian striped triplefin or reticulate triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Ronald Fricke in 1994.
Enneapterygius pyramis, the pyramid triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Ronald Fricke in 1994. This species occurs in the western Pacific Ocean from Guam to French Polynesia.
Enneapterygius randalli, the Rapa triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Ronald Fricke in 1997. who honoured the American ichthyologist John Ernest Randall in its specific name, Randall collected many of the type series. This species is known only from French Polynesia where it is found off Rapa Iti and Marotiri in the southern Austral Islands.
Enneapterygius rhabdotus, the umpire triplefin or South Pacific striped triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Ronald Fricke in 1994. This species occurs in the western central Pacific Ocean the Izu Peninsula in Japan, Taiwan, Batanes and Palawan in the northern Philippines, the Gulf of Thailand, Palau, and most of Melanesia east to the Pitcairn Islands.
Enneapterygius rhothion, the New Caledonian blackhead surf triplefin or surf triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Ronald Fricke in 1997. This species occurs in New Caledonia and Vanuatu.
Enneapterygius rufopileus, the blackcheek threefin, Lord Howe black-head triplefin or redcap triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Edgar Ravenswood Waite in 1904. It occurs in the western Pacific Ocean off Lord Howe Island, Norfolk Island, New Caledonia, Fiji and Tonga.
Enneapterygius signicauda, known commonly as the flagtail triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Ronald Fricke in 1997. This species occurs in the western Pacific Ocean and has been recorded from American Samoa, southern Tonga, and Vanuatu, as well as southern Japan.
Enneapterygius similis, known commonly as the black and red triplefin, blacktail triplefin or masked threefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Ronald Fricke in 1997. This species occurs in the western central Pacific Ocean, from the Ryukyu Islands south through the Philippines, in Sabah, central Indonesia, Shepard Island, New Caledonia and eastern Australia.
Enneapterygius triserialis, the white-spotted triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Ronald Fricke in 1994. This species occurs in the southwest Pacific from Australia east through New Caledonia, Vanuatu, Tonga, Fiji, American Samoa and French Polynesia.
Enneapterygius vexillarius, the blacksaddle triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Henry Weed Fowler in 1946. Enneapterygius vexillarius has been recorded from the Ryukyu Islands, Taiwan and Hong Kong.
