HomeMarine aquarium fishWrassesBrown wrasse Brown wrasse (Labrus merula) Scientific name: Labrus merula Linnaeus, 1758 The Brown wrasse (Labrus merula) is a marine fish of the family Labridae. Native range: Eastern Atlantic, Portugal to Morocco and Azores. Also in the Mediterranean. BiologyAdults are found around rocks and seaweeds. Sometime schooling, more solitary when older. Feed on sea urchins, ophiuroids, mollusks, crabs and worms. They reach maturity when 2 years old (15-20 cm). Spawn during February to May in western Mediterranean. Oviparous, distinct pairing during breeding. Males build dish shaped nests and guard the eggs.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLabrus merulaFamilyLabridae (Wrasses)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length45.0Common length40.0EnvironmentMarine; reef-associatedClimateSubtropicalDistributionEastern Atlantic: Portugal to Morocco and Azores. Also in the Mediterranean.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: subsistence fisheries; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.22-0.36; tmax=17) More wrassesPearly razorfishXyrichtys novaculaAxillary wrasseSymphodus mediterraneusSlender wrasseSuezichthys gracilisMarbled parrotfishLeptoscarus vaigiensisYellowbar parrotCalotomus zonarchusViridescent parrotfishCalotomus viridescensSee all wrasses SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026