HomeFish encyclopediaRay-finned fishesPerch-like fishCardinalfishesGuadalupe cardinalfish Guadalupe cardinalfish (Apogon guadalupensis) Scientific name: Apogon guadalupensis Osburn & Nichols, 1916 The Guadalupe cardinalfish (Apogon guadalupensis) is a marine fish of the family Apogonidae. Native range: Eastern Pacific, San Clemente Island in southern California, USA to Gulf of California in Mexico and offshore islands. BiologyInhabits rocky crevices and caves at depths to 18 m or more during the day, but moves off the bottom and out into open areas at night. Feeds mainly on planktonic crustaceans and small fishes.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameApogon guadalupensisFamilyApogonidae (Cardinalfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length13.0Depth range9–18 m (30–59 ft)EnvironmentMarine; demersal; depth range 9 - 18 mClimateSubtropicalDistributionEastern Pacific: San Clemente Island in southern California, USA to Gulf of California in Mexico and offshore islands.Conservation status (IUCN)Least Concern (LC)Threat 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