HomeFish encyclopediaRay-finned fishesPerch-like fishCardinalfishesBlackfin cardinalfish Blackfin cardinalfish (Astrapogon puncticulatus) Scientific name: Astrapogon puncticulatus Poey, 1867 The Blackfin cardinalfish (Astrapogon puncticulatus) is a marine fish of the family Apogonidae. Native range: Western Atlantic, southern Florida, USA, Antilles, Caribbean and Bahamas to Brazil. BiologyAdults occur in clear Thalassia testudinum beds where it often inhabits empty snail shells. Caught at night or in the early hours of the morning.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAstrapogon puncticulatusFamilyApogonidae (Cardinalfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.0Depth range0–8 m (0–26 ft)EnvironmentMarine; reef-associated; depth range 0 - 8 mClimateTropicalDistributionWestern Atlantic: southern Florida, USA, Antilles, Caribbean and Bahamas to Brazil.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