HomeFish encyclopediaRay-finned fishesPerch-like fishDottybacksMooi's dottyback Mooi's dottyback (Pseudochromis mooii) Scientific name: Pseudochromis mooii Gill, 2004 The Mooi's dottyback (Pseudochromis mooii) is a marine fish of the family Pseudochromidae. Native range: Western Pacific, Indonesia. BiologyDorsal spines (total): 3; Dorsal soft rays (total): 28; Anal spines: 3; Anal soft rays: 17; Vertebrae: 26. This species distinguished by the following characters: 28 segmented dorsal-fin rays; 17 segmented anal fin rays; 46 scales in lateral series; 35-37 anterior lateral line scales; no dark grey spot on anterior part of opercle behind upper edge of preopercle.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudochromis mooiiFamilyPseudochromidae (Dottybacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.9Depth range0–1 m (0–3 ft)EnvironmentMarine; reef-associated; depth range 0 - 1 mClimateTropicalDistributionWestern Pacific: Indonesia.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