HomeFish encyclopediaRay-finned fishesPerch-like fishAsiatic glassfishesFlag-tailed glass perchlet Flag-tailed glass perchlet (Ambassis miops) Scientific name: Ambassis miops G?nther, 1872 The Flag-tailed glass perchlet (Ambassis miops) is a freshwater fish of the family Ambassidae. Native range: Indo-West Pacific, India to New Guinea and New Caledonia, north to the Ryukyu Islands. Reported from Samoa. BiologyDorsal spines (total): 8; Dorsal soft rays (total): 9-10; Anal spines: 3; Anal soft rays: 9 - 10. Resembles A. urotaenia, but differs in having large eye, and a gently-rounded snout. Eye diameter over 30% and interorbital width over 20% of head length. Cheek scales in 2 rows. Attains 8 cm TL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAmbassis miopsFamilyAmbassidae (Asiatic glassfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.3EnvironmentMarine; freshwater; brackish; demersal; amphidromous; depth range 0 - ? mClimateTropicalDistributionIndo-West Pacific: India to New Guinea and New Caledonia, north to the Ryukyu Islands. Reported from Samoa.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Assuming Fec > 10,000) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026