HomeFish encyclopediaRay-finned fishesPerch-like fishWrassesRed naped wrasse Red naped wrasse (Pseudolabrus eoethinus) Scientific name: Pseudolabrus eoethinus Richardson, 1846 The Red naped wrasse (Pseudolabrus eoethinus) is a marine fish of the family Labridae. Native range: Northwest Pacific, southern Japan, Taiwan and the South China Sea. BiologyDorsal spines (total): 9; Dorsal soft rays (total): 11; Anal spines: 3; Anal soft rays: 10Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudolabrus eoethinusFamilyLabridae (Wrasses)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length20.0EnvironmentMarine; reef-associatedClimateSubtropicalDistributionNorthwest Pacific: southern Japan, Taiwan and the South China Sea.Conservation status (IUCN)Least Concern (LC)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