HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesOblique-swimming triplefin Oblique-swimming triplefin (Forsterygion maryannae) Scientific name: Forsterygion maryannae Hardy, 1987 The Oblique-swimming triplefin (Forsterygion maryannae) is a marine fish of the family Tripterygiidae. Native range: Southwest Pacific, around mainland New Zealand. Species factsScientific nameForsterygion maryannaeFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.9Depth range1–50 m (3–164 ft)EnvironmentMarine; reef-associated; depth range 1 - 50 mClimateTemperateDistributionSouthwest Pacific: around mainland New Zealand.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, 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