HomeMarine aquarium fishGobies, blennies & dottybacksSurge dottyback Surge dottyback (Pseudochromis cyanotaenia) Scientific name: Pseudochromis cyanotaenia Bleeker, 1857 The Surge dottyback (Pseudochromis cyanotaenia) is a marine fish of the family Pseudochromidae. In the aquarium it needs water at 24–26°C (75–79°F). Surge dottyback care at a glanceTemperature24–26°C (75–79°F) BiologyDorsal spines (total): 3; Dorsal soft rays (total): 22-23; Anal spines: 3; Anal soft rays: 12 - 13. Females sexually dichromatic dottyback are uniformly grey, sometimes becoming yellowish or reddish on the tail.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudochromis cyanotaeniaFamilyPseudochromidae (Dottybacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.0Depth range0–30 m (0–98 ft)EnvironmentMarine; reef-associated; depth range 0 - 30 m, usually 0 - 20 mClimateTropicalDistributionWestern Pacific: Peninsular Malaysia to Hong Kong and the Ryukyu Islands, south to Western Australia, and east to Vanuatu and the Gilbert Islands. Replaced by an undescribed species at Fiji and Tonga and Pseudochromis coccinicauda in the Indian Ocean.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercial More gobies, blennies & dottybacksYellowhead jawfishOpistognathus aurifronsFire gobyNemateleotris magnificaYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasBlue devilParaplesiops meleagrisYellow devilfishAssessor flavissimusSee 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