HomeFish encyclopediaRay-finned fishesPerch-like fishCombtooth blenniesDeceiver fangbelly Deceiver fangbelly (Petroscirtes fallax) Scientific name: Petroscirtes fallax Smith-Vaniz, 1976 The Deceiver fangbelly (Petroscirtes fallax) is a marine fish of the family Blenniidae. Native range: Western Pacific, Great Barrier Reef south of 17?S to New South Wales. BiologyMimics the species Meiacanthus lineatus. Oviparous. Eggs are demersal and adhesive.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePetroscirtes fallaxFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length9.5EnvironmentMarine; reef-associatedClimateTemperateDistributionWestern Pacific: Great Barrier Reef south of 17?S to New South Wales.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