HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesHolleman's triplefin Holleman's triplefin (Enneapterygius hollemani) Scientific name: Enneapterygius hollemani Randall, 1995 The Holleman's triplefin (Enneapterygius hollemani) is a marine fish of the family Tripterygiidae. Native range: Western Indian Ocean, known only from the central and southern coast of Oman. Species factsScientific nameEnneapterygius hollemaniFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length3.9Depth range0–2 m (0–7 ft)EnvironmentMarine; demersal; depth range 0 - 2 mClimateTropicalDistributionWestern Indian Ocean: known only from the central and southern coast of Oman.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