HomeFish encyclopediaRay-finned fishesPerch-like fishBoarfishesRhomboidal boarfish Rhomboidal boarfish (Antigonia rhomboidea) Scientific name: Antigonia rhomboidea McCulloch, 1915 The Rhomboidal boarfish (Antigonia rhomboidea) is a marine fish of the family Caproidae. BiologyGenerally demersal, on the continental shelf and continental slope.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAntigonia rhomboideaFamilyCaproidae (Boarfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length11.0Depth range400–550 m (1312–1804 ft)EnvironmentMarine; bathydemersal; depth range 400 - 550 mClimateDeep-waterDistributionEastern Indian Ocean and Western Pacific: endemic to Australia, from off North Islands (27?04'S) to Northwest Shelf (118?15'E), Western Australia and from off Raine Islands, Queensland (11?35'S) to Cape Everard, Victoria (37?48'S).Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026