HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesSurf Triplefin Surf Triplefin (Enneapterygius rhothion) Scientific name: Enneapterygius rhothion Fricke, 1997 The Surf Triplefin (Enneapterygius rhothion) is a marine fish of the family Tripterygiidae. Native range: Western Central Pacific, New Caledonia and Vanuatu. BiologyFound in shallow waters, surge channels and tidal pools around fringing reefs where wave action is high; some found in the big surf, oxygen-rich habitat.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEnneapterygius rhothionFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length3.1Depth range0–1 m (0–3 ft)EnvironmentMarine; reef-associated; depth range 0 - 1 mClimateTropicalDistributionWestern Central Pacific: New Caledonia and Vanuatu.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries:ResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026