HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesHighcrest triplefin Highcrest triplefin (Enneapterygius pusillus) Scientific name: Enneapterygius pusillus R?ppell, 1835 The Highcrest triplefin (Enneapterygius pusillus) is a marine fish of the family Tripterygiidae. Native range: Indian Ocean, Red Sea south to northern Natal, South Africa and east to India. BiologyDorsal spines (total): 15 - 17; Dorsal soft rays (total): 10-11; Anal spines: 1; Anal soft rays: 19 - 22. Colorful when alive; pelvic fins black; second dorsal fin and anal fin dusky.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEnneapterygius pusillusFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length2.5Depth range3–20 m (10–66 ft)EnvironmentMarine; demersal; depth range 3 - 20 m, usually ? - 10 mClimateTropicalDistributionIndian Ocean: Red Sea south to northern Natal, South Africa and east to India.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