HomeFish encyclopediaRay-finned fishesPerch-like fishLanternbellies, temperate ocean-bassesThree-spined cardinalfish Three-spined cardinalfish (Apogonops anomalus) Scientific name: Apogonops anomalus Ogilby, 1896 The Three-spined cardinalfish (Apogonops anomalus) is a brackish-water fish of the family Acropomatidae. Native range: Indo-Pacific, Endemic to Australia. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 6 - 7; Vertebrae: 25. Adults have a pair of opercular spines dorsally and are olive-brown dorsally and silvery-white ventrally.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameApogonops anomalusFamilyAcropomatidae (Lanternbellies, temperate ocean-basses)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length15.0Depth range0–600 m (0–1969 ft)EnvironmentMarine; brackish; demersal; depth range 0 - 600 m, usually 100 - 400 mClimateSubtropicalDistributionIndo-Pacific: Endemic to Australia.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