HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesLord Howe Island triplefin Lord Howe Island triplefin (Enneapterygius howensis) Scientific name: Enneapterygius howensis Fricke, 1997 The Lord Howe Island triplefin (Enneapterygius howensis) is a marine fish of the family Tripterygiidae. Native range: Southwest Pacific, Lord Howe Island. Species factsScientific nameEnneapterygius howensisFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length3.5Depth range0–3 m (0–10 ft)EnvironmentMarine; reef-associated; depth range 0 - 3 mClimateTropicalDistributionSouthwest Pacific: Lord Howe Island.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