HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesHenderson triplefin Henderson triplefin (Enneapterygius ornatus) Scientific name: Enneapterygius ornatus Fricke, 1997 The Henderson triplefin (Enneapterygius ornatus) is a marine fish of the family Tripterygiidae. Native range: Eastern Central Pacific, Henderson Island, Pitcairn. Species factsScientific nameEnneapterygius ornatusFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length2.4Depth range0–1 m (0–3 ft)EnvironmentMarine; demersal; depth range 0 - 1 mClimateTropicalDistributionEastern Central Pacific: Henderson Island, Pitcairn.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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