HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsDeep-water sculpinsHerzenstein's rough sculpin Herzenstein's rough sculpin (Asprocottus herzensteini) Scientific name: Asprocottus herzensteini Berg, 1906 The Herzenstein's rough sculpin (Asprocottus herzensteini) is a freshwater fish of the family Abyssocottidae. Native range: Asia, Endemic to Lake Baikal, Russia. Species factsScientific nameAsprocottus herzensteiniFamilyAbyssocottidae (Deep-water sculpins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length11.5Depth range22–887 m (72–2910 ft)EnvironmentFreshwater; bathydemersal; depth range 22 - 887 mClimateDeep-waterDistributionAsia: Endemic to Lake Baikal, Russia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 years (Assuming Fec SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026