HomeFish encyclopediaRay-finned fishesFlatfishesLefteye floundersSpotless lefteye flounder Spotless lefteye flounder (Arnoglossus aspilos) Scientific name: Arnoglossus aspilos Bleeker, 1851 The Spotless lefteye flounder (Arnoglossus aspilos) is a marine fish of the family Bothidae. BiologyDorsal soft rays (total): 80-84; Anal soft rays: 61 - 64Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameArnoglossus aspilosFamilyBothidae (Lefteye flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length19.0Common length7.5Depth range30–71 m (98–233 ft)EnvironmentMarine; demersal; depth range 30 - 71 mClimateTropicalDistributionIndo-West Pacific: Persian Gulf to the coast of India; north to Taiwan through the South China Sea, south to Queensland. Specimens from northern and Western Australia often treated as distinct subspecies.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