HomeFish encyclopediaRay-finned fishesPerch-like fishAsiatic glassfishesYellowfin glassfish Yellowfin glassfish (Ambassis elongata) Scientific name: Ambassis elongata Castelnau, 1878 The Yellowfin glassfish (Ambassis elongata) is a freshwater fish of the family Ambassidae. In the aquarium it needs water at 20–32°C (68–90°F). Native range: Oceania, restricted to the O'Shannessy River, Leichardt River and Norman River, Queensland in the Gulf of Carpentaria drainage, Australia. Yellowfin glassfish care at a glanceTemperature20–32°C (68–90°F) BiologyInhabits freshwater streams that frequently have moderate to high turbidity levels. Found among vegetation at the margin of creeks and rivers. Not much information on natural history, however, reports that it is a carnivore and reports that it breeds in small ponds or aquaria.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAmbassis elongataFamilyAmbassidae (Asiatic glassfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length7.5EnvironmentFreshwater; benthopelagicClimateTropicalDistributionOceania: restricted to the O'Shannessy River, Leichardt River and Norman River, Queensland in the Gulf of Carpentaria drainage, Australia.Conservation status (IUCN)Lower Risk: least concern (LR/lc)Threat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (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