HomeFish encyclopediaRay-finned fishesPerch-like fishWrassesGal?pagos sheephead wrasse Gal?pagos sheephead wrasse (Semicossyphus darwini) Scientific name: Semicossyphus darwini Jenyns, 1842 The Gal?pagos sheephead wrasse (Semicossyphus darwini) is a marine fish of the family Labridae. Native range: Southeast Pacific, Ecuador to central Peru, and Galapagos Islands. BiologyDorsal spines (total): 12; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 12Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSemicossyphus darwiniFamilyLabridae (Wrasses)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length70.0Depth range3–100 m (10–328 ft)EnvironmentMarine; reef-associated; depth range 3 - 100 mClimateTropicalDistributionSoutheast Pacific: Ecuador to central Peru, and Galapagos Islands.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesFisheries: of potential interestResilienceLow, minimum population doubling time 4.5 - 14 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