HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsBownband perchlet Bownband perchlet (Plectranthias nanus) Scientific name: Plectranthias nanus Randall, 1980 The Bownband perchlet (Plectranthias nanus) is a marine fish of the family Serranidae. Native range: Pacific Ocean, widespread, and except for the two Red Sea specimens, this species is not found in the Western Indian Ocean. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 13-15; Anal spines: 3; Anal soft rays: 6 - 8. SL to 40 mm. Closely resembles P. longimanus but has more pectoral fin rays and pored lateral line scales.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePlectranthias nanusFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.0Depth range3–60 m (10–197 ft)EnvironmentMarine; reef-associated; depth range 3 - 60 mClimateTropicalDistributionPacific Ocean: widespread, and except for the two Red Sea specimens, this species is not found in the Western Indian Ocean.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