n = 63
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Helcogramma abeli | (Klausewitz, 1960) | Enneapterygius abeli | Tripterygiidae | Yellow triplefin |
| Helcogramma albimacula | Williams & Howe, 2003 | Helcogramma albimacula | Tripterygiidae | Whitespot triplefin |
| Helcogramma alkamr | Holleman, 2007 | Helcogramma alkamr | Tripterygiidae | |
| Helcogramma aquila | Williams & McCormick, 1990 | Helcogramma aquila | Tripterygiidae | Darktail triplefin |
| Helcogramma aquilum | Williams & McCormick, 1990 | Helcogramma aquila | Tripterygiidae | Darktail triplefin |
| Helcogramma ascensionis | Lubbock, 1980 | Helcogramma ascensionis | Tripterygiidae | Ascension triplefin |
| Helcogramma atauroensis | Fricke & Erdmann, 2017 | Helcogramma atauroensis | Tripterygiidae | Red-anal triplefin |
| Helcogramma billi | Hansen, 1986 | Helcogramma billi | Tripterygiidae | |
| Helcogramma capidata | Rosenblatt, 1960 | Helcogramma capidata | Tripterygiidae | Hooded triplefin |
| Helcogramma capidatum | Rosenblatt, 1960 | Helcogramma capidata | Tripterygiidae | Hooded triplefin |
| Helcogramma capitada | Rosenblatt, 1960 | Helcogramma capidata | Tripterygiidae | Hooded triplefin |
| Helcogramma cerasina | Williams & Howe, 2003 | Helcogramma cerasina | Tripterygiidae | |
| Helcogramma chica | Rosenblatt, 1960 | Helcogramma chica | Tripterygiidae | Little hooded triplefin |
| Helcogramma clarkei | (Morton, 1888) | Trinorfolkia clarkei | Tripterygiidae | Clarke's triplefin |
| Helcogramma decurrens | McCulloch & Waite, 1918 | Helcogramma decurrens | Tripterygiidae | Black-throated triplefin |
| Helcogramma desa | Williams & Howe, 2003 | Helcogramma desa | Tripterygiidae | Neglected triplefin |
| Helcogramma ellioti | (Herre, 1944) | Helcogramma ellioti | Tripterygiidae | |
| Helcogramma ememes | Holleman, 2007 | Helcogramma ememes | Tripterygiidae | |
| Helcogramma fuscipectoris | (Fowler, 1946) | Helcogramma fuscipectoris | Tripterygiidae | Fourspot triplefin |
| Helcogramma fuscopinna | Holleman, 1982 | Helcogramma fuscopinna | Tripterygiidae | Blackfin triplefin |
| Helcogramma gymnauchen | (Weber, 1909) | Helcogramma gymnauchen | Tripterygiidae | Red-finned triplefin |
| Helcogramma habena | Williams & McCormick, 1990 | Helcogramma inclinata | Tripterygiidae | Triangle triplefin |
| Helcogramma hudsoni | (Jordan & Seale, 1906) | Helcogramma hudsoni | Tripterygiidae | Hudson's triplefin |
| Helcogramma inclinata | (Fowler, 1946) | Helcogramma inclinata | Tripterygiidae | Triangle triplefin |
| Helcogramma inclinatum | (Fowler, 1946) | Helcogramma inclinata | Tripterygiidae | Triangle triplefin |
| Helcogramma ishigakiensis | (Aoyagi, 1954) | Genus Species | New species | |
| Helcogramma kranos | Fricke, 1997 | Helcogramma kranos | Tripterygiidae | Helmet triplefin |
| Helcogramma lacuna | Williams & Howe, 2003 | Helcogramma lacuna | Tripterygiidae | Cavern triplefin |
| Helcogramma larvata | Fricke & Randall, 1992 | Helcogramma larvata | Tripterygiidae | |
| Helcogramma maldivense | Fricke & Randall, 1992 | Helcogramma maldivensis | Tripterygiidae | |
| Helcogramma maldivensis | Fricke & Randall, 1992 | Helcogramma maldivensis | Tripterygiidae | |
| Helcogramma medium | (Günther, 1861) | Bellapiscis medius | Tripterygiidae | Twister |
| Helcogramma melanolancea | Tashiro & Motomura, 2018 | Genus Species | New species | |
| Helcogramma microstigma | Holleman, 2006 | Helcogramma microstigma | Tripterygiidae | |
| Helcogramma nesion | Williams & Howe, 2003 | Helcogramma nesion | Tripterygiidae | |
| Helcogramma nigra | Williams & Howe, 2003 | Helcogramma nigra | Tripterygiidae | Rotuma triplefin |
| Helcogramma novaecaledoniae | Fricke, 1994 | Helcogramma novaecaledoniae | Tripterygiidae | New Caledonian triplefin |
| Helcogramma obtusirostre | (Klunzinger, 1871) | Helcogramma obtusirostris | Tripterygiidae | Hotlips triplefin |
| Helcogramma obtusirostris | (Klunzinger, 1871) | Helcogramma obtusirostris | Tripterygiidae | Hotlips triplefin |
| Helcogramma pusillus | (Rüppell, 1835) | Enneapterygius pusillus | Tripterygiidae | Highcrest triplefin |
| Helcogramma randalli | Williams & Howe, 2003 | Helcogramma randalli | Tripterygiidae | Randall's triplefin |
| Helcogramma rharhabe | Holleman, 2007 | Helcogramma rharhabe | Tripterygiidae | |
| Helcogramma rhinoceros | Hansen, 1986 | Helcogramma rhinoceros | Tripterygiidae | Rhinocerus triplefin |
| Helcogramma rosea | Holleman, 2006 | Helcogramma rosea | Tripterygiidae | Rosy triplefin |
| Helcogramma serendip | Holleman, 2007 | Helcogramma serendip | Tripterygiidae | |
| Helcogramma shinglensis | Lal Mohan, 1971 | Helcogramma shinglensis | Tripterygiidae | |
| Helcogramma solorensis | Fricke, 1997 | Helcogramma solorensis | Tripterygiidae | Solor triplefin |
| Helcogramma sp. | Not applicable | Helcogramma capidata | Tripterygiidae | Hooded triplefin |
| Helcogramma sp. | Not applicable | Helcogramma hudsoni | Tripterygiidae | Hudson's triplefin |
| Helcogramma sp. | Not applicable | Ucla xenogrammus | Tripterygiidae | Largemouth triplefin |
| Helcogramma sp. 17 | Not applicable | Bellapiscis lesleyae | Tripterygiidae | Mottled twister |
| Helcogramma sp. 5 | Not applicable | Helcogramma vulcana | Tripterygiidae | Volcano triplefin |
| Helcogramma sp. A | Not applicable | Bellapiscis medius | Tripterygiidae | Twister |
| Helcogramma sp. A | Not applicable | Bellapiscis lesleyae | Tripterygiidae | Mottled twister |
| Helcogramma sp. B | Not applicable | Cryptichthys jojettae | Tripterygiidae | Cryptic triplefin |
| Helcogramma springeri | Hansen, 1986 | Helcogramma springeri | Tripterygiidae | Springer's triplefin |
| Helcogramma steinitzi | Clark, 1980 | Helcogramma steinitzi | Tripterygiidae | Red triplefin |
| Helcogramma striata | Hansen, 1986 | Helcogramma striata | Tripterygiidae | Tropical striped triplefin |
| Helcogramma striatum | Hansen, 1986 | Helcogramma striata | Tripterygiidae | Tropical striped triplefin |
| Helcogramma trigloides | (Bleeker, 1858) | Helcogramma trigloides | Tripterygiidae | Scarf triplefin |
| Helcogramma vulcana | Randall & Clark, 1993 | Helcogramma vulcana | Tripterygiidae | Volcano triplefin |
| Helcogramma vulcanum | Randall & Clark, 1993 | Helcogramma vulcana | Tripterygiidae | Volcano triplefin |
| Helcogramma williamsi | Chiang & Chen, 2012 | Helcogramma williamsi | Tripterygiidae |