HomeMarine aquarium fishClownfish & damselfishYellowtail damselfish Yellowtail damselfish (Microspathodon chrysurus) Scientific name: Microspathodon chrysurus Cuvier, 1830 The Yellowtail damselfish (Microspathodon chrysurus) is a marine fish of the family Pomacentridae. Native range: Western Atlantic, southern Florida (USA) and Bermuda through the Caribbean Sea to Brazil. BiologyDorsal spines (total): 12; Dorsal soft rays (total): 14-15; Anal spines: 2; Anal soft rays: 12 - 13. Tail bright yellow. Juveniles dark blue with transparent tail and electric blue spots on side. Adults dark yellowish brown, the edges of the scales darker (Ref 13442).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMicrospathodon chrysurusFamilyPomacentridae (Damselfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length21.0Common length15.0Depth range0–120 m (0–394 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 0 - 120 m, usually 0 - 10 mClimateSubtropicalDistributionWestern Atlantic: southern Florida (USA) and Bermuda through the Caribbean Sea to Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: subsistence fisheries; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More clownfish & damselfishBrown chromisChromis multilineataNight sergeantAbudefduf taurusSergeant-majorAbudefduf saxatilisNatal sergeantAbudefduf natalensisTwobar anemonefishAmphiprion allardiTwoband anemonefishAmphiprion bicinctusSee all clownfish & damselfish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026