HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesBlotched triplefin Blotched triplefin (Enneapterygius ventermaculus) Scientific name: Enneapterygius ventermaculus Holleman, 1982 The Blotched triplefin (Enneapterygius ventermaculus) is a marine fish of the family Tripterygiidae. Native range: Western Indian Ocean, Pakistan to Natal, South Africa. BiologyDorsal spines (total): 14 - 16; Dorsal soft rays (total): 9-10; Anal spines: 1; Anal soft rays: 18 - 19Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEnneapterygius ventermaculusFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.0Depth range0–12 m (0–39 ft)EnvironmentMarine; demersal; depth range 0 - 12 m, usually 0 - 1 mClimateSubtropicalDistributionWestern Indian Ocean: Pakistan to Natal, South Africa.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