HomeMarine aquarium fishOther marine fishThree spotted flounders Three spotted flounders (Pseudorhombus triocellatus) Scientific name: Pseudorhombus triocellatus Bloch & Schneider, 1801 The Three spotted flounders (Pseudorhombus triocellatus) is a marine fish of the family Paralichthyidae. Native range: Indo-West Pacific, India and Sri Lanka to western Thailand, Sumatra and the southern islands of Indonesia, and northwestern Australia. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 65-70; Anal spines: 0; Anal soft rays: 49 - 52. Body brownish, with 1 ocellus above and below lateral line and 1 ocellus on posterior third of straight section of lateral line. Many indistinct spots and blotches on body. Pectoral fin on ocular side with 11-12 soft rays (Ref 9774).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudorhombus triocellatusFamilyParalichthyidae (Large-tooth flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length15.0Common length10.0Depth range17 m (56 ft)EnvironmentMarine; demersal; depth range ? - 17 mClimateTropicalDistributionIndo-West Pacific: India and Sri Lanka to western Thailand, Sumatra and the southern islands of Indonesia, and northwestern Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; aquarium: public aquariumsResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More other marine fishLemon soleMicrostomus kittAtlantic halibutHippoglossus hippoglossusMexican barred snapperHoplopagrus guentheriiTub gurnardChelidonichthys lucernaGreater weeverTrachinus dracoBlack seabreamSpondyliosoma cantharusSee all other marine fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026