HomeFish encyclopediaRay-finned fishesToadfishesToadfishesThree-spined frogfish Three-spined frogfish (Batrachomoeus trispinosus) Scientific name: Batrachomoeus trispinosus G?nther, 1861 The Three-spined frogfish (Batrachomoeus trispinosus) is a brackish-water fish of the family Batrachoididae. Native range: Indo-West Pacific, northwestern Australia, the Arafura Sea, Thailand, Indonesia and Papua New Guinea. Known from the Mekong delta. BiologyInhabits reefs, mangrove estuaries, and offshore trawling grounds. Found over muddy bottoms in shallow estuaries and along coasts. Marketed fresh.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBatrachomoeus trispinosusFamilyBatrachoididae (Toadfishes)OrderBatrachoidiformes (Toadfishes)ClassActinopterygii (Ray-finned fishes)Maximum length30.0EnvironmentMarine; brackish; reef-associatedClimateTropicalDistributionIndo-West Pacific: northwestern Australia, the Arafura Sea, Thailand, Indonesia and Papua New Guinea. Known from the Mekong delta.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceMedium, 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