HomeFish encyclopediaRay-finned fishesPerch-like fishCardinalfishesYellowstriped cardinalfish Yellowstriped cardinalfish (Apogon cyanosoma) Scientific name: Apogon cyanosoma Bleeker, 1853 The Yellowstriped cardinalfish (Apogon cyanosoma) is a marine fish of the family Apogonidae. Native range: Indo-West Pacific, Red Sea south to Mozambique and east to Fiji, north to the Ryukyu and Bonin islands, south to New Caledonia. Recently recorded from Tonga. BiologyInhabits sheltered clear water areas of lagoon and seaward reefs from depths of 1 to at least 49 m. Found in small or large aggregations under ledges, in holes, or even among long spines of sea urchins. Feeds on planktonic crustaceans and small invertebrates. Has been reared in captivitySource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameApogon cyanosomaFamilyApogonidae (Cardinalfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.0Common length6.0Depth range1–50 m (3–164 ft)EnvironmentMarine; reef-associated; depth range 1 - 50 m, usually 1 - 12 mClimateTropicalDistributionIndo-West Pacific: Red Sea south to Mozambique and east to Fiji, north to the Ryukyu and Bonin islands, south to New Caledonia. Recently recorded from Tonga.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (K=2.93) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026