HomeFish encyclopediaRay-finned fishesFlatfishesLefteye floundersIndo-Pacific oval flounder Indo-Pacific oval flounder (Bothus myriaster) Scientific name: Bothus myriaster Temminck & Schlegel, 1846 The Indo-Pacific oval flounder (Bothus myriaster) is a marine fish of the family Bothidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 87-97; Anal spines: 0; Anal soft rays: 61 - 73. Distinguished by cycloid scales on the ocular side, except for upper and lower margins of body, and a shorter lower jaw (2.3 to 2.9 times in head length). Body almost circular in shape in young, becoming ovate with growth.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBothus myriasterFamilyBothidae (Lefteye flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length27.0Depth range10–155 m (33–509 ft)EnvironmentMarine; demersal; depth range 10 - 155 mClimateTropicalDistributionIndo-West Pacific: definitely recorded from Inhambane, Mozambique; throughout the Indian Ocean to Java, Sumatra, Viet Nam, Philippines, Taiwan, South Korea, Japan, and Lord Howe Island.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: 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