HomeFish encyclopediaRay-finned fishesPerch-like fishCombtooth blenniesWolf fangbelly Wolf fangbelly (Petroscirtes lupus) Scientific name: Petroscirtes lupus De Vis, 1885 The Wolf fangbelly (Petroscirtes lupus) is a marine fish of the family Blenniidae. Native range: Western Pacific, Queensland, New South Wales, Lord Howe Island, Australia and New Caledonia. BiologyHides in seagrasses, seaweeds, or empty mollusk shells. Oviparous. Lays eggs on the inner surface of dead bivalve shells which are guarded by the male. Eggs are demersal and adhesive.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePetroscirtes lupusFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length13.0EnvironmentMarine; reef-associatedClimateTemperateDistributionWestern Pacific: Queensland, New South Wales, Lord Howe Island, Australia and New Caledonia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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