HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSearobinsBlack-finned gurnard Black-finned gurnard (Pterygotrigla leptacanthus) Scientific name: Pterygotrigla leptacanthus G?nther, 1880 The Black-finned gurnard (Pterygotrigla leptacanthus) is a marine fish of the family Triglidae. Native range: Indo-West Pacific, Indo-Australian Archipelago. BiologyBase of first dorsal fin with 10 flat plates. Preserved specimens uniformly tan with black spots on dorsum.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePterygotrigla leptacanthusFamilyTriglidae (Searobins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length15.0Depth range500 m (1640 ft)EnvironmentMarine; demersal; depth range ? - 500 mClimateDeep-waterDistributionIndo-West Pacific: Indo-Australian Archipelago.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