HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesHotlips triplefin Hotlips triplefin (Helcogramma obtusirostris) Scientific name: Helcogramma obtusirostris Klunzinger, 1871 The Hotlips triplefin (Helcogramma obtusirostris) is a brackish-water fish of the family Tripterygiidae. Native range: Indo-West Pacific, Red Sea south to Transkei, South Africa and east to the western Pacific. Southeast Atlantic: Ascension Island and St. Helena. BiologyDorsal spines (total): 15 - 17; Dorsal soft rays (total): 9-11; Anal spines: 1; Anal soft rays: 17 - 20; Vertebrae: 35 - 36Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHelcogramma obtusirostrisFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length45.0Depth range0–30 m (0–98 ft)EnvironmentMarine; brackish; demersal; depth range 0 - 30 mClimateTropicalDistributionIndo-West Pacific: Red Sea south to Transkei, South Africa and east to the western Pacific. Southeast Atlantic: Ascension Island and St. Helena.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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