HomeFish encyclopediaRay-finned fishesPerch-like fishDottybacksSabah dottyback Sabah dottyback (Manonichthys alleni) Scientific name: Manonichthys alleni Gill, 2004 The Sabah dottyback (Manonichthys alleni) is a marine fish of the family Pseudochromidae. Native range: Western Pacific, Malaysia. BiologyDorsal spines (total): 3; Dorsal soft rays (total): 28-29; Anal spines: 3; Anal soft rays: 14 - 15; Vertebrae: 26. This species is distinct in having the following characters: hyaline pectoral fins, some ctenoid scales on cheek and operculum; rounded to truncate caudal fin; 17-22 predorsal scales, extending anteriorly to point ranging from anterior AIO pores to posterior nasal pores; dark (more or less) vertical bars extending from above and below eye absent.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameManonichthys alleniFamilyPseudochromidae (Dottybacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.1Depth range2–40 m (7–131 ft)EnvironmentMarine; reef-associated; depth range 2 - 40 mClimateTropicalDistributionWestern Pacific: Malaysia.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