HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsBaikal oilfishesLittle Baikal oilfish Little Baikal oilfish (Comephorus dybowskii) Scientific name: Comephorus dybowskii Korotneff, 1904 The Little Baikal oilfish (Comephorus dybowskii) is a freshwater fish of the family Comephoridae. In the aquarium it needs water at 4–18°C (39–64°F). Native range: Former USSR, Lake Baikal. Little Baikal oilfish care at a glanceTemperature4–18°C (39–64°F) BiologyDorsal spines (total): 7 - 9; Dorsal soft rays (total): 31-34; Anal spines: 0; Anal soft rays: 32 - 36Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameComephorus dybowskiiFamilyComephoridae (Baikal oilfishes)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length16.0EnvironmentFreshwater; pelagic; potamodromousClimateBorealDistributionFormer USSR: Lake Baikal.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.23; tmax=4) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026