HomeFish encyclopediaRay-finned fishesPerch-like fishCardinalfishesPerdix cardinalfish Perdix cardinalfish (Apogonichthys perdix) Scientific name: Apogonichthys perdix Bleeker, 1854 The Perdix cardinalfish (Apogonichthys perdix) is a marine fish of the family Apogonidae. Native range: Indo-Pacific, Red Sea south to Inhambane and east to the Hawaiian Islands and Rapa, north to southern Japan; throughout Micronesia. BiologyDorsal spines (total): 8; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 8. Olive brown with irregular dark spots and streaks; speckled fins; normally with a dark line from eye to origin of LL and stripe from eye to angle of preopercle. Developed gill rakers 5-7. A distinctive small white spot centrally at base of caudal fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameApogonichthys perdixFamilyApogonidae (Cardinalfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.0Common length3.6Depth range6–65 m (20–213 ft)EnvironmentMarine; reef-associated; depth range 6 - 65 mClimateTropicalDistributionIndo-Pacific: Red Sea south to Inhambane and east to the Hawaiian Islands and Rapa, north to southern Japan; throughout Micronesia.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