HomeFish encyclopediaRay-finned fishesPerch-like fishDottybacksMarshall Is. dottyback Marshall Is. dottyback (Pseudochromis marshallensis) Scientific name: Pseudochromis marshallensis Schultz, 1953 The Marshall Is. dottyback (Pseudochromis marshallensis) is a marine fish of the family Pseudochromidae. Native range: Western Pacific, Philippines and Taiwan to Vanuatu, south to northwestern Australia and New Caledonia; eastern Caroline and Marshall Islands in Micronesia. BiologyDorsal spines (total): 3; Dorsal soft rays (total): 24-26; Anal spines: 3; Anal soft rays: 11 - 14. Yellow tail and yellow spots on body scales that form dotted lines.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudochromis marshallensisFamilyPseudochromidae (Dottybacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.0Depth range0–30 m (0–98 ft)EnvironmentMarine; reef-associated; depth range 0 - 30 mClimateTropicalDistributionWestern Pacific: Philippines and Taiwan to Vanuatu, south to northwestern Australia and New Caledonia; eastern Caroline and Marshall Islands in Micronesia.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