HomeMarine aquarium fishGobies, blennies & dottybacksOlive dottyback Olive dottyback (Pseudochromis olivaceus) Scientific name: Pseudochromis olivaceus R?ppell, 1835 The Olive dottyback (Pseudochromis olivaceus) is a marine fish of the family Pseudochromidae. In the aquarium it needs water at 24–28°C (75–82°F). Native range: Western Indian Ocean, Red Sea. Olive dottyback care at a glanceTemperature24–28°C (75–82°F) BiologyFound among corals. Minimum depth reported from. Has been reared in captivity.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudochromis olivaceusFamilyPseudochromidae (Dottybacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length9.0Depth range1–20 m (3–66 ft)EnvironmentMarine; reef-associated; depth range 1 - 20 m, usually 1 - 20 mClimateTropicalDistributionWestern Indian Ocean: Red Sea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Fec = 1,000) More gobies, blennies & dottybacksYellowhead jawfishOpistognathus aurifronsFire gobyNemateleotris magnificaYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasBlue-striped dottybackPseudochromis springeriDiadem dottybackPictichromis diademaSee 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