HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsJameson's seaperch Jameson's seaperch (Hypoplectrodes jamesoni) Scientific name: Hypoplectrodes jamesoni Ogilby, 1908 The Jameson's seaperch (Hypoplectrodes jamesoni) is a brackish-water fish of the family Serranidae. Native range: Western Pacific, endemic to Australia. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 20; Anal spines: 3; Anal soft rays: 8. Variable brownish-gray in color, sometimes with violet tinged.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHypoplectrodes jamesoniFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0Depth range10–30 m (33–98 ft)EnvironmentMarine; brackish; demersal; depth range 10 - 30 mClimateSubtropicalDistributionWestern Pacific: endemic to 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