HomeFish encyclopediaRay-finned fishesFlatfishesLefteye floundersBroadbrow flounder Broadbrow flounder (Crossorhombus valderostratus) Scientific name: Crossorhombus valderostratus Alcock, 1890 The Broadbrow flounder (Crossorhombus valderostratus) is a marine fish of the family Bothidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 86-93; Anal spines: 0; Anal soft rays: 68 - 74. Brown in color with dark spots arranged in longitudinal rows on eyed side; 2-3 spots on straight section of lateral line. Pectorals with 11-12 rays on eyed side, 9-11 rays on blind side.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCrossorhombus valderostratusFamilyBothidae (Lefteye flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length14.0Depth range35–146 m (115–479 ft)EnvironmentMarine; demersal; depth range 35 - 146 mClimateTropicalDistributionWestern Indian Ocean: Durban, South Africa, to India and Sri Lanka. Western Central Pacific: Philippines. Unconfirmed records from Madagascar, Comoro Islands, Somalia, and Hong Kong.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, 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