HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsSouthern rock bass Southern rock bass (Paralabrax callaensis) Scientific name: Paralabrax callaensis Starks, 1906 The Southern rock bass (Paralabrax callaensis) is a marine fish of the family Serranidae. Native range: Southeast Pacific, Ecuador and Peru. Needs a better reference. BiologyNeeds better reference. Max. length (Pedro Jimenez Prado, pers. comm., 2001).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParalabrax callaensisFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length35.0EnvironmentMarine; demersalClimateTropicalDistributionSoutheast Pacific: Ecuador and Peru. Needs a better reference.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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