HomeFish encyclopediaRay-finned fishesPerch-like fishWrassesCrimson cleaner fish Crimson cleaner fish (Suezichthys aylingi) Scientific name: Suezichthys aylingi Russell, 1985 The Crimson cleaner fish (Suezichthys aylingi) is a marine fish of the family Labridae. Native range: Southwest Pacific, southeastern Australia (New South Wales, Victoria, and Tasmania) and northeastern New Zealand. BiologyDorsal spines (total): 9; Dorsal soft rays (total): 11; Anal spines: 3; Anal soft rays: 10; Vertebrae: 25. Initial phase color: body red-orange above, paler posteriorly; with a white-bordered black ocellus at the base of the 9th and 10th dorsal rays. Terminal phase color: body deep crimson, paler below; pearly white stripe running from corner of mouth to caudal fin base; head with six bright blue lines. Predorsal scales 4 (3-5). Cheek scale 1 row behind the eye; 2 rows below eye. No scaly sheath at the base of dorsal and anal fins. Scales large. Pectoral fin with two rudimentary dorsalmost rays.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSuezichthys aylingiFamilyLabridae (Wrasses)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length11.7Depth range6–100 m (20–328 ft)EnvironmentMarine; reef-associated; depth range 6 - 100 mClimateSubtropicalDistributionSouthwest Pacific: southeastern Australia (New South Wales, Victoria, and Tasmania) and northeastern New Zealand.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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