HomeFish encyclopediaRay-finned fishesPerch-like fishDottybacksSt Brandon's dottyback St Brandon's dottyback (Chlidichthys abruptus) Scientific name: Chlidichthys abruptus Lubbock, 1977 The St Brandon's dottyback (Chlidichthys abruptus) is a marine fish of the family Pseudochromidae. Native range: Western Indian Ocean, endemic to Cargados Carajos. BiologyDorsal spines (total): 2; Dorsal soft rays (total): 21-22; Anal spines: 2 - 3; Anal soft rays: 12 - 13. Dorsal-fin rays II, 21-22 (usually II,22); anal-fin rays II-III,12-13 (usually III,13); predorsal scales extending to point ranging from vertical above anterior supraotic to just short of anterior interorbital pores; lateral scale series 42-48; ctenoid scales beginning at 2-6 transverse scale rows behind gill opening; orbital rim brown (orange to olive in life); and caudal fin 18.5-21.4 % SL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChlidichthys abruptusFamilyPseudochromidae (Dottybacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.7Depth range0–21 m (0–69 ft)EnvironmentMarine; reef-associated; depth range 0 - 21 mClimateTropicalDistributionWestern Indian Ocean: endemic to Cargados Carajos.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026