HomeFish encyclopediaRay-finned fishesPerch-like fishCardinalfishesReef-flat cardinalfish Reef-flat cardinalfish (Apogon taeniophorus) Scientific name: Apogon taeniophorus Regan, 1908 The Reef-flat cardinalfish (Apogon taeniophorus) is a marine fish of the family Apogonidae. Native range: Indo-Pacific, Red Sea and Sodwana Bay, South Africa to the Line and Pitcairn islands, north to southern Japan, south to New South Wales (Australia) and Rapa. BiologyOccurs inshore. Found in holes or ledges of outer reef flats in areas exposed to surge, to depths of about 10 m. NocturnalSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameApogon taeniophorusFamilyApogonidae (Cardinalfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length11.0Depth range0–2 m (0–7 ft)EnvironmentMarine; reef-associated; depth range 0 - 2 mClimateTropicalDistributionIndo-Pacific: Red Sea and Sodwana Bay, South Africa to the Line and Pitcairn islands, north to southern Japan, south to New South Wales (Australia) and Rapa.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: 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