Tonga
Checklist of Endemic Marine Fish Species
This list of marine fish species found exclusively in Tonga is based on the taxonomy used in Eschmeyer's Catalog of Fishes (2023). For further details on possible inaccuracies in the list see Sources & Caveats.
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds) 2023 Catalog of Fishes: Genera, Species, References. Version downloaded 9 February 2023 https://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatmain.asp
The current version can be accessed here
Marine fishes known only from the deep-sea (below 200 m) are listed at the bottom of the page and are not included in species totals
Siganus niger (Acanthuriformes Siganidae)
Black Foxface
Meiacanthus procne
(Blenniiformes Blenniidae) Swallowtail Fangblenny
Meiacanthus tongaensis
(Blenniiformes Blenniidae) Green Canary Blenny
Praealticus multistriatus
(Blenniiformes Blenniidae) Linedfin Rockskipper
Salarias nigrocinctus
(Blenniiformes Blenniidae) Blackstreaked Blenny
Acanthoplesiops naka
(Cichliformes Plesiopidae) Tongan Spiny Basslet
Amblyglyphidodon
melanopterus (Cichliformes Pomacentridae) Blackfin Damselfish
Eviota tigrina
(Gobiiformes Gobiidae) Tiger Dwarfgoby
Diancistrus alatus
(Ophidiiformes Dinematichthyidae) Winged
Coralbrotula
Diancistrus manciporus
(Ophidiiformes Dinematichthyidae) Fewpored
Coralbrotula
Epinephelus chlorocephalus
(Perciformes Epinephelidae) Tonga Grouper
Canthigaster flavoreticulata (Tetraodontiformes Tetraodontidae) Tonga Sharpnose Puffer
Additional deep-sea species (below 200 m) recorded only from Tonga:Ophichthus aniptocheilos
(Anguilliformes Ophichthidae)
Thermobiotes mytilogeiton
(Anguilliformes Synaphobranchidae)
Symphurus maculopinnis
(Carangiformes Cynoglossidae)