HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesSpectacled triplefin Spectacled triplefin (Ruanoho whero) Scientific name: Ruanoho whero Hardy, 1986 The Spectacled triplefin (Ruanoho whero) is a marine fish of the family Tripterygiidae. Native range: Southwest Pacific, New Zealand. BiologyCommonly found in sheltered to moderately exposed areas shallower down to 20 m; less associated with rocky substratum, but may be found under, side or top of rocks. Found in offshore islands and coastal mainland areas. Feed on a range of benthic invertebrates including ophiuroids, archaeogastropods, trichoptera and errant polychaetes.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRuanoho wheroFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length9.0Depth range0–21 m (0–69 ft)EnvironmentMarine; benthopelagic; depth range 0 - 21 mClimateSubtropicalDistributionSouthwest Pacific: New Zealand.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026