HomeFish encyclopediaRay-finned fishesPerch-like fishCardinalfishesEstuary cardinalfish Estuary cardinalfish (Pseudamia nigra) Scientific name: Pseudamia nigra Allen, 1992 The Estuary cardinalfish (Pseudamia nigra) is a brackish-water fish of the family Apogonidae. Native range: Western Central Pacific. BiologyFound in mangrove-lined shores and estuaries.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudamia nigraFamilyApogonidae (Cardinalfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.0EnvironmentMarine; brackish; demersalClimateTropicalDistributionWestern Central Pacific.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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