HomeMarine aquarium fishGobies, blennies & dottybacksBrown dottyback Brown dottyback (Pseudochromis fuscus) Scientific name: Pseudochromis fuscus M?ller & Troschel, 1849 The Brown dottyback (Pseudochromis fuscus) is a marine fish of the family Pseudochromidae. In the aquarium it needs water at 24–26°C (75–79°F). Brown dottyback care at a glanceTemperature24–26°C (75–79°F) BiologyDorsal spines (total): 3; Dorsal soft rays (total): 25-28; Anal spines: 3; Anal soft rays: 13 - 15. Various color variations from almost blackish brown to bright yellow.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudochromis fuscusFamilyPseudochromidae (Dottybacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.0Depth range2–30 m (7–98 ft)EnvironmentMarine; reef-associated; depth range 2 - 30 m, usually 3 - 25 mClimateTropicalDistributionIndo-Pacific: Sri Lanka east to Vanuatu; north to at least Hong Kong and the Ryukyu Islands; south to the central coast of Western Australia and the southern Great Barrier Reef.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercial More gobies, blennies & dottybacksFire gobyNemateleotris magnificaYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasYellowhead jawfishOpistognathus aurifronsSpotted prawn-gobyAmblyeleotris guttataElegant firefishNemateleotris decoraSee all gobies, blennies & dottybacks SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026