HomeFish encyclopediaRay-finned fishesPuffers and FilefishesPorcupinefishes (burrfishes)Three-barred porcupinefish Three-barred porcupinefish (Dicotylichthys punctulatus) Scientific name: Dicotylichthys punctulatus Kaup, 1855 The Three-barred porcupinefish (Dicotylichthys punctulatus) is a brackish-water fish of the family Diodontidae. Native range: Western Pacific, Moreton Bay to Bass Strait in Australia. BiologyFound in estuarine, coastal and offshore reefs to a depth of 50 m. Nocturnal and solitary. Feeds on hard-shelled invertebrates. Not usually marketed.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDicotylichthys punctulatusFamilyDiodontidae (Porcupinefishes (burrfishes))OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length40.0Common length18.0Depth range50 m (164 ft)EnvironmentMarine; brackish; reef-associated; depth range ? - 50 mClimateSubtropicalDistributionWestern Pacific: Moreton Bay to Bass Strait in Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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