HomeFish encyclopediaRay-finned fishesPerch-like fishWrassesSunset wrasse Sunset wrasse (Thalassoma grammaticum) Scientific name: Thalassoma grammaticum Gilbert, 1890 The Sunset wrasse (Thalassoma grammaticum) is a marine fish of the family Labridae. Native range: Eastern Pacific, Mexico to Peru, including the ocean islands. BiologyA solitary species found in reefs subjected to surges. Moves over great distances to feed on hard-shelled invertebrates.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameThalassoma grammaticumFamilyLabridae (Wrasses)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length32.0Depth range3–42 m (10–138 ft)EnvironmentMarine; reef-associated; depth range 3 - 42 mClimateTropicalDistributionEastern Pacific: Mexico to Peru, including the ocean islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interestResilienceMedium, 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