HomeFish encyclopediaRay-finned fishesPerch-like fishCardinalfishesDog-toothed cardinalfish Dog-toothed cardinalfish (Cheilodipterus isostigmus) Scientific name: Cheilodipterus isostigmus Schultz, 1940 The Dog-toothed cardinalfish (Cheilodipterus isostigmus) is a marine fish of the family Apogonidae. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 8. Distinguished externally from C. quinquelineatus by the position of the basicaudal spot which is in line with the mid-lateral stripe, and internally by having canine teeth at the end of the lower jaw.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCheilodipterus isostigmusFamilyApogonidae (Cardinalfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length11.0Depth range4–40 m (13–131 ft)EnvironmentMarine; reef-associated; depth range 4 - 40 mClimateTropicalDistributionWestern Pacific: patchy distribution, known in the South China Sea, the Philippines, Borneo, New Guinea, Papua New Guinea, Solomon Islands, Marshall Islands. Also in Moluccas, Belau, and Caroline.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