HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsRed seaperch Red seaperch (Hypoplectrodes cardinalis) Scientific name: Hypoplectrodes cardinalis Allen & Randall, 1990 The Red seaperch (Hypoplectrodes cardinalis) is a marine fish of the family Serranidae. Native range: Eastern Indian Ocean, confined to Western Australia. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 19; Anal spines: 3; Anal soft rays: 8. Pinkish red above, grading to white below with distinct red to brown stripe on upper side of body, extending to snout, above each eye to caudal peduncle; fins pale pink. Caudal fin rounded; pectoral fins large, reaching beyond origin of anal fin, rounded; pelvic fins small, tips rounded.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHypoplectrodes cardinalisFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.0Depth range3–35 m (10–115 ft)EnvironmentMarine; reef-associated; depth range 3 - 35 mClimateSubtropicalDistributionEastern Indian Ocean: confined to Western Australia.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