Helcogramma is a genus in the triplefin family Tripterygiidae. The blennies in the genus Helcogramma are found throughout the Indo-Pacific and in the South Atlantic Ocean off the islands of St Helena and Ascension.
Helcogramma striatum, commonly called the tropical striped triplefin, the striped threefin or the neon triplefin, is a triplefin blenny of the genus Helcogramma, native from the central Indo-Pacific.
The Cape triplefin, Cremnochorites capensis, is a triplefin blenny of the family Tripterygiidae and only member of the genus Cremnochorites, found in the western Indian Ocean and southeast Atlantic, from Sodwana Bay to False Bay in South Africa. It reaches a maximum length of 8 centimetres (3.1 in). It is found below the low tide mark down to 30 metres (98 ft) on rocky reefs.
The red-finned triplefin, Helcogramma gymnauchen, is a triplefin blenny of the family Tripterygiidae, found in the western Pacific from Indonesia, Papua New Guinea, and northern Australia, at depths of between 1 and 8 m. It reaches a maximum length of 4 cm.
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.
Helcogramma aquila, the darktail triplefin or blacktail triplefin, is a species of triplefin blenny in the genus Helcogramma. It was described by Jeffrey T. Williams and Carolyn J. McCormick in 1990. This species occurs in the western Pacific Ocean in the Batanes Islands in the Philippines and it has also been found off Guam.
Helcogramma capidata, known commonly as the hooded triplefin, is a species of triplefin blenny in the genus Helcogramma. It was described by Richard Rosenblatt in 1960. This species is widespread in the western Pacific Ocean from the Mariana Islands east to Samoa, Fiji and Tonga; it has been recorded from Sabah too.
Helcogramma ememes is a species of triplefin blenny in the genus Helcogramma. It was described by Wouter Holleman in 2007 who used the initials of his mentor Margaret Mary Smith (1916-1987) of the J.L.B. Smith Institute of Ichthyology to create this species specific name. Smith and her husband, J.L.B. Smith, had collected many specimens of this blenny in the 1960s. This species is found in the western Indian Ocean along the coats of East Africa from the Bazaruto Islands in Mozambique to Malindi in Kenya, it is also found in the Comoro Islands, Mauritius and the Seychelles.
Helcogramma fuscipectoris, known commonly as the fourspot triplefin, is a species of triplefin blenny in the genus Helcogramma.
Helcogramma fuscopinna, known commonly as the blackfin triplefin, is a species of triplefin blenny in the genus Helcogramma. It was described by Wouter Holleman in 1982. This species occurs between 0 and 50 metres in the western Indian Ocean along the eastern coast of Africa from KwaZulu Natal to northern Kenya and east to the Maldives, living on rock surfaces and beneath ledges.
Helcogramma hudsoni, known commonly as the Hudson's triplefin, is a species of triplefin blenny in the genus Helcogramma. It was described by David Starr Jordan and Alvin Seale in 1906, the specific name honouring the illustrator of their monograph on Samoan fishes, R.L. Hudson. This species is found in the western Pacific Ocean where it has been recorded from the Izu Islands, Ryukyu Islands, Savo Island, New Caledonia, Vanuatu, Fiji, and Samoa.
The triangle triplefin is a species of triplefin blenny in the genus Helcogramma. It was described by Henry Weed Fowler in 1946. This species occurs in the western Pacific Ocean in the Ryukyu Islands, Taiwan and islands in Batangas province in the Philippines.
Helcogramma nesion is a species of triplefin blenny in the genus Helcogramma. It was described by Jeffrey T. Williams and Jeffrey C. Howe in 2003. This species is found in the western Pacific Ocean where it is endemic to Japan, it is restricted to the Izu Islands, Ogasawara Islands and to the island of Okino-shima which is at the south-western tip of Shikoku.
Helcogramma nigra, the Rotuma triplefin, is a species of triplefin blenny in the genus Helcogramma. It was described by Jeffrey T. Williams and Jeffrey C. Howe in 2003. This species occurs in the western central Pacific Ocean where it has been recorded from Papua New Guinea, the Solomon Islands, Vanuatu and Rotuma.
Helcogramma novaecaledoniae, known commonly as the New Caledonian triplefin, is a species of triplefin blenny in the genus Helcogramma. It was described by Ronald Fricke in 1994. This species is found in the western Pacific Ocean where it has been recorded from New Caledonia, the Loyalty Islands and Guadalcanal.
Helcogramma randalli, Randall's triplefin, is a species of triplefin blenny in the genus Helcogramma. It was described by Jeffrey T. Williams and Jeffrey C. Howe in 2003 and named it in honour of the ichthyologist John Ernest Randall of the Bishop Museum in Honolulu who collected all of the known specimens. This species occurs in the western Pacific Ocean and is endemic to the islands of central Indonesia such as Bali, Lombok, Timor and Komodo.
Helcogramma rharhabe is a species of triplefin blenny in the genus Helcogramma. It was described by Wouter Holleman in 2007, the specific name the Xhosa chief Rharhabe who broke away from his main tribe and formed his own grouping named after him, the Rharhabe. This species is found in the western Indian Ocean, along the south eastern coast of Africa from the Transkei to the Bazaruto Archipelago.
Helcogramma trigloides, the scarf triplefin, is a species of triplefin blenny in the genus Helcogramma. It was described by Pieter Bleeker in 1858 as Tripterygion trigloides. This is a widespread species in the western Pacific Ocean.
Helcogramma vulcana, the volcano triplefin, is a species of triplefin blenny in the genus Helcogramma. It was described by John E. Randall and Eugenie Clark in 1993. This species is found in the western Pacific Ocean where it has been recorded from Bali to Gunung Api and Manuk in the Banda Sea.
Helcogramma ascensionis, the Ascension triplefin, is a species of triplefin blenny in the genus Helcogramma. it was described by Roger Lubbock in 1980. It has been recorded at depths of 0 to 5 metres in tidal pools and rocky reefs around the islands of Saint Helena and Ascension in the south eastern Atlantic Ocean.
