HomeMarine aquarium fishWrassesYellowbar parrot Yellowbar parrot (Calotomus zonarchus) Scientific name: Calotomus zonarchus Jenkins, 1903 The Yellowbar parrot (Calotomus zonarchus) is a marine fish of the family Scaridae. Native range: Pacific Ocean, Midway and Hawaiian islands. BiologyDorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 9; Vertebrae: 25. When fresh, reddish brown to brown dorsally, reddish to almost white ventrally; irregular fine whitish marks on scales. Head with white speckling; a reddish transverse band on chin, followed by a diffuse white band; reddish iris. Whitish pectoral fins, base reddish brown; 3 narrow irregular brownish red stripes on whitish pelvic fins. Pungent dorsal spines; rounded caudal fin at all sizes. Skin dark around anus, almost black. Lateral line interrupted.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCalotomus zonarchusFamilyScaridae (Parrotfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length33.0Depth range12–170 m (39–558 ft)EnvironmentMarine; reef-associated; depth range 12 - 170 mClimateTropicalDistributionPacific Ocean: Midway and Hawaiian islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More wrassesViridescent parrotfishCalotomus viridescensSpinytooth parrotfishCalotomus spinidensMarbled parrotfishLeptoscarus vaigiensisCarolines parrotfishCalotomus carolinusSlender wrasseSuezichthys gracilisAxillary wrasseSymphodus mediterraneusSee 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