HomeFish encyclopediaRay-finned fishesFlatfishesLefteye floundersIntermediate flounder Intermediate flounder (Asterorhombus intermedius) Scientific name: Asterorhombus intermedius Bleeker, 1865 The Intermediate flounder (Asterorhombus intermedius) is a marine fish of the family Bothidae. Native range: Indo-Pacific, Red Sea to Tonga, north to southern Japan, south to the Indo-Australian Archipelago. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 77-84; Anal spines: 0; Anal soft rays: 55 - 62. Distinguished from all other Micronesian genera by having a nearly continuous bony ridge extending from the anterior margin of the lower eye to the posterior margin of the upper eye, and a narrow interorbital space, always greater than the greatest eye diameter.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAsterorhombus intermediusFamilyBothidae (Lefteye flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Depth range1–96 m (3–315 ft)EnvironmentMarine; reef-associated; depth range 1 - 96 mClimateTropicalDistributionIndo-Pacific: Red Sea to Tonga, north to southern Japan, south to the Indo-Australian Archipelago.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor 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