HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsRedblotch basslet Redblotch basslet (Plectranthias winniensis) Scientific name: Plectranthias winniensis Tyler, 1966 The Redblotch basslet (Plectranthias winniensis) is a marine fish of the family Serranidae. Native range: Indo-Pacific, Red Sea and East Africa to the Hawaiian, Tuamoto and Pitcairn islands, south to the Great Barrier Reef and the Austral Islands. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 16-17; Anal spines: 3; Anal soft rays: 7. Mottled orange anteriorly, red blotches posteriorly. White spot dorsally behind end of soft dorsal fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePlectranthias winniensisFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.0Depth range23–58 m (75–190 ft)EnvironmentMarine; reef-associated; depth range 23 - 58 mClimateTropicalDistributionIndo-Pacific: Red Sea and East Africa to the Hawaiian, Tuamoto and Pitcairn islands, south to the Great Barrier Reef and the Austral Islands.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