HomeFish encyclopediaRay-finned fishesPerch-like fishWrassesBaillon's wrasse Baillon's wrasse (Symphodus bailloni) Scientific name: Symphodus bailloni Valenciennes, 1839 The Baillon's wrasse (Symphodus bailloni) is a marine fish of the family Labridae. Native range: Eastern Atlantic, Mauritania. Also in the Mediterranean off the coast of Spain and the Balearic Islands. BiologyAdults inhabit the littoral zone in seagrass beds and around rocks. Oviparous, distinct pairing during breeding. Males build dish shaped nests and guard the eggs.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSymphodus bailloniFamilyLabridae (Wrasses)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Common length18.0Depth range1–50 m (3–164 ft)EnvironmentMarine; reef-associated; depth range 1 - 50 mClimateSubtropicalDistributionEastern Atlantic: Mauritania. Also in the Mediterranean off the coast of Spain and the Balearic IslandsConservation 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