HomeFish encyclopediaRay-finned fishesAnglerfishesFour-armed frogfishesFour-armed frogfish Four-armed frogfish (Tetrabrachium ocellatum) Scientific name: Tetrabrachium ocellatum G?nther, 1880 The Four-armed frogfish (Tetrabrachium ocellatum) is a marine fish of the family Tetrabrachiidae. Native range: Western Pacific, southern coast of New Guinea, Indonesia, the Arafura Sea, and western and northern coasts of Australia. BiologyFound on the continental shelf and inshore areas over soft bottoms.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTetrabrachium ocellatumFamilyTetrabrachiidae (Four-armed frogfishes)OrderLophiiformes (Anglerfishes)ClassActinopterygii (Ray-finned fishes)Maximum length7.0Depth range51 m (167 ft)EnvironmentMarine; demersal; depth range ? - 51 mClimateTropicalDistributionWestern Pacific: southern coast of New Guinea, Indonesia, the Arafura Sea, and western and northern coasts of Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026