HomeFish encyclopediaRay-finned fishesPerch-like fishCardinalfishesLittle tailband cardinalfish Little tailband cardinalfish (Apogon caudicinctus) Scientific name: Apogon caudicinctus Randall & Smith, 1988 The Little tailband cardinalfish (Apogon caudicinctus) is a marine fish of the family Apogonidae. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 8; Vertebrae: 24. Body color transparent red, edges of dorsal body scales dark, diffused blackish bar across posterior half of caudal peduncle; depth 2.95-3.45 in SL. Long and slender caudal peduncle 3.30-3.35 in SL. Second dorsal spine longest, 1.45-1.80 in HL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameApogon caudicinctusFamilyApogonidae (Cardinalfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.4Depth range0–12 m (0–39 ft)EnvironmentMarine; reef-associated; depth range 0 - 12 mClimateTropicalDistributionIndo-Pacific: R?union Island, and Mauritius east to the Pitcairn Group, including Rapa Island in the south-central Pacific, north to Bonin/ Ogasawara Islands and Ryukyu Islands.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