Enneapterygius is a genus of fish in the family Tripterygiidae found in the Indian and Pacific Ocean.
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 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 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 hollemani, or Holleman's triplefin, is a species of triplefin blenny in the genus Enneapterygius. It is found only on the central and southern coasts of Oman. It was described by John E. Randall in 1995 and was named in honour of the ichthyologist Wouter Holleman of the South African Institute for Aquatic Biodiversity.
Enneapterygius kosiensis is a species of triplefin blenny in the genus Enneapterygius. It was described by Wouter Holleman of the South African Institute for Aquatic Biodiversity in 2005. It has only been recorded from the coasts of the northern part of KwaZulu Natal in South Africa.
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 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 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 nanus, the pygmy triplefin or pygmy threefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Leonard Peter Schultz in 1960. This species is found from Taiwan and central Indonesia to New Caledonia and the Marshall Islands.
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 niger, known commonly as the black triplefin, is a species of triplefin blenny from the Western Pacific Ocean. It is a small species that was described by Ronald Fricke in 1994.
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 obscurus is a species of triplefin blenny in the genus Enneapterygius. It was described by Eugenie Clark in 1980. It is found in the Red Sea but the finding of a specimen at Malindi in Kenya suggests it may have a wider distribution.
Enneapterygius pusillus, known commonly as the highcrest triplefin, is a species of triplefin blenny in the genus Enneapterygius. It was described by Eduard Rüppell in 1835. It occurs in the western Indian Ocean, including the Red Sea and along the southern coast of the Arabian Peninsula as far east as Oman, off the far south eastern coast of India, the Persian Gulf, and along the coast of south eastern Africa off Mozambique and South Africa.
Enneapterygius unimaculatus, the onespot 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 and its range encompasses the Ryukyu Islands, Taiwan, Philippines, Sabah, Indonesia, Papua New Guinea, and Palau.
