The yellow triplefin ,> also known as the Abel's triplefin in South Africa, is a species of triplefin in the genus Enneapterygius. Males in this species can reach a maximum length of 2.5 centimetres. The blennies are generally bright yellow in colour, and males have black heads. They feed mostly on benthic invertebrates.
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 bahasa, blacktail triplefin, also known as the blacktail threefin in Australia, is a species of threefin blenny in the genus Enneapterygius. It was described by German ichthyologist Ronald Fricke in 1997, and earns its common name from its black caudal fins. It is known from reefs in the western Pacific Ocean.
Enneapterygius clea, or Clea's triplefin, is a species of threefin blenny in the genus Enneapterygius, described by German ichthyologist Ronald Fricke in 1997. It is endemic to Queensland, Australia.
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 elaine is a species of triplefin blenny in the genus Enneapterygius. It was described by Wouter Holleman in 2005. It is a tropical blenny known from Rodrigues Island, in the western Indian Ocean. Male Enneapterygius elaine can reach a maximum length of 2.3 centimetres. The specific name honours Elaine Heemstra of the Institute for Aquatic Biodiversity in Grahamstown who provided illustrations of reef fish for Holleman, including some in the paper in which this species was described.
Enneapterygius fasciatus, known commonly as the tiny threefin or the banded triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was originally described by Weber in 1909, under the name Tripterygium fasciatum, which was later renamed Tripterygion fasciatum. It is a tropical blenny found in coral reefs in the Indian and western Pacific Oceans, and has been described from East Africa to Papua New Guinea, the Solomon Islands, and Taiwan. E. fasciatus has been recorded swimming at a depth range of 1–25 metres (3.3–82 ft). Male E. fasciatus can reach a maximum length of 3 centimetres.
Enneapterygius flavoccipitis, the yellownape triplefin or northern bicoloured triplefin, in Australia, is a species of threefin blenny in the genus Enneapterygius.
The blackbelly triplefin is a species of triplefin blenny in the genus Enneapterygius, described by German ichthyologist Ronald Fricke in 1997 and known from the western Pacific Ocean.
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.
The halfblack triplefin, also known as the half-black triplefin, blackbelly triplefin, or the green-tail threefin, is a species of triplefin blenny in the genus Enneapterygius. It was originally described by R. Kner and F. Steindachner in 1867. It is a non-migratory tropical blenny known from coral reefs in the western Pacific Ocean, and has been described from the Ryukyu Islands to eastern Australia. It has been recorded swimming at a depth range of 0–30 metres.
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 larsonae, known commonly as the Western Australian black-head triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by the German ichthyologist Ronald Fricke in 1994. The specific name honours Helen K. Larson, the Curator of Fishes at the Museum and Art Gallery of the Northern Territory in Darwin, Australia, who collected the type.
Enneapterygius minutus, the minute triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Günther in 1877. It is found in the Indo-Pacific south to Australia, north to the Ryukyu Islands and east to American Samoa.
Enneapterygius miyakensis, known commonly as the Izu Islands triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by the German ichthyologist Ronald Fricke in 1987. It is only known to occur in the Izu Islands off Japan.
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 ornatus, known commonly as the Henderson triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Ronald Fricke in 1997. It occurs only at Henderson Island, part of the Pitcairn Islands in the western Pacific Ocean.
Enneapterygius philippinus, the minute triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Wilhelm Peters in 1868. This species occurs in the Indo-Pacific from Christmas Island to Samoa, and from the Ryukyu Islands in the north south to Australia.
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.
