HomeFish encyclopediaRay-finned fishesPerch-like fishDamselfishesFreshwater demoiselle Freshwater demoiselle (Neopomacentrus taeniurus) Scientific name: Neopomacentrus taeniurus Bleeker, 1856 The Freshwater demoiselle (Neopomacentrus taeniurus) is a freshwater fish of the family Pomacentridae. In the aquarium it needs water at 23–28°C (73–82°F). Native range: Indo-West Pacific, East Africa to Indonesia and the Solomon Islands, north to the Philippines, south to northern Australia and Vanuatu. Reported from Taiwan. Freshwater demoiselle care at a glanceTemperature23–28°C (73–82°F) BiologyDorsal spines (total): 13; Dorsal soft rays (total): 11-12; Anal spines: 2; Anal soft rays: 11 - 12Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNeopomacentrus taeniurusFamilyPomacentridae (Damselfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.0Depth range0–3 m (0–10 ft)EnvironmentMarine; freshwater; brackish; demersal; depth range 0 - 3 mClimateTropicalDistributionIndo-West Pacific: East Africa to Indonesia and the Solomon Islands, north to the Philippines, south to northern Australia and Vanuatu. Reported from Taiwan.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor 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