HomeFish encyclopediaRay-finned fishesPerch-like fishAsiatic glassfishesScalloped perchlet Scalloped perchlet (Ambassis nalua) Scientific name: Ambassis nalua Hamilton, 1822 The Scalloped perchlet (Ambassis nalua) is a freshwater fish of the family Ambassidae. Native range: Asia and Oceania, India to New Guinea and Australia. BiologyUsually found in brackish waters of bays and estuaries, entering freshwater and mangrove-lined tidal creeks.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAmbassis naluaFamilyAmbassidae (Asiatic glassfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.5EnvironmentMarine; freshwater; brackish; demersal; amphidromousClimateTropicalDistributionAsia and Oceania: India to New Guinea and Australia.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