HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesScalyhead Triplefin Scalyhead Triplefin (Norfolkia squamiceps) Scientific name: Norfolkia squamiceps McCulloch & Waite, 1916 The Scalyhead Triplefin (Norfolkia squamiceps) is a marine fish of the family Tripterygiidae. Native range: Southwest Pacific, Australia, including Lord Howe Island, Norfolk Island, Middleton Reef, and Elizabeth Reef; and New Caledonia. BiologyFound in intertidal pools in coral reef areas.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNorfolkia squamicepsFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.6Depth range0–12 m (0–39 ft)EnvironmentMarine; reef-associated; depth range 0 - 12 mClimateTemperateDistributionSouthwest Pacific: Australia, including Lord Howe Island, Norfolk Island, Middleton Reef, and Elizabeth Reef; and New Caledonia.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