HomeFish encyclopediaRay-finned fishesPerch-like fishDottybacksHowson's dottyback Howson's dottyback (Pseudochromis howsoni) Scientific name: Pseudochromis howsoni Allen, 1995 The Howson's dottyback (Pseudochromis howsoni) is a marine fish of the family Pseudochromidae. Native range: Eastern Indian Ocean, Australia. BiologyDorsal spines (total): 3; Dorsal soft rays (total): 26; Anal spines: 3; Anal soft rays: 14. Anterior tips of palatine tooth patches directed medially behind posterolateral arms of vomerine tooth patch; large dark spot at posterior corner of operculum; color pattern sexually dimorphic, male overall orange anteriorly and purplish grey posteriorly, female entirely purplish grey; neither sex with narrow white bar on head just behind eye.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudochromis howsoniFamilyPseudochromidae (Dottybacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.0Depth range23 m (75 ft)EnvironmentMarine; reef-associated; depth range 23 - 23 mClimateTropicalDistributionEastern Indian Ocean: Australia.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