HomeMarine aquarium fishGobies, blennies & dottybacksTropical striped triplefin Tropical striped triplefin (Helcogramma striata) Scientific name: Helcogramma striata Hansen, 1986 The Tropical striped triplefin (Helcogramma striata) is a marine fish of the family Tripterygiidae. Native range: Western Pacific, southern Japan to the Philippines, Australia, and the Solomon Islands. BiologyDorsal spines (total): 16 - 17; Dorsal soft rays (total): 10-12; Anal spines: 1; Anal soft rays: 19 - 20; Vertebrae: 35 - 37. Easily identified by the stripes.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHelcogramma striataFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.3Depth range0–20 m (0–66 ft)EnvironmentMarine; reef-associated; depth range 0 - 20 m, usually 0 - 10 mClimateTropicalDistributionWestern Pacific: southern Japan to the Philippines, Australia, and the Solomon Islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More gobies, blennies & dottybacksPersian blennyEcsenius midasYellow prawn-gobyCryptocentrus cinctusFire gobyNemateleotris magnificaYellowhead jawfishOpistognathus aurifronsRhinocerus triplefinHelcogramma rhinocerosBlack-throated triplefinHelcogramma decurrensSee all gobies, blennies & dottybacks SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026