Actinopteri (ray-finned fishes) > Salmoniformes
(Salmons) > Salmonidae
(Salmonids) > Thymallinae
Etymology: Thymallus: Greek, thymallos, -ou = a kind of fish similar to salmon (Ref. 45335); grubii: Named for its diagnostic character, the orang-yellow spot on the dorsal fin. More on author: Dybowski.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic; depth range - m (Ref. ), usually - m (Ref. ). Temperate; 0°C -
Asia: Amur drainage in Russia and China; Onon and Kherlen drainages in Mongolia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL male/unsexed; (Ref. 593)
Body dark purple on back, sides of body bit lighter with many small dark spots; edge of dorsal fin purplish red mixed with spots; pelvic and anal fins lighter and pectoral fin dark (Ref. 45563).
In winter, adults are found in deep parts of mountain streams and in summer, they occur in clear streams flowing slowly with thick aquatic weeds (Ref. 45563). Feed on benthic organisms (Ref. 41072), and insects (Ref. 45563). Form schools during breeding in clear, fast-flowing streams (Ref. 45563). Edible fish (Ref. 45563).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Bogutskaya, N.G., A.M. Naseka, S.V. Shedko, E.D. Vasil'eva and I.A. Chereshnev, 2008. The fishes of the Amur River: updated check-list and zoogeography. Ichthyol. Explor. Freshwat. 19(4):301-366. (Ref. 82587)
IUCN Red List Status (Ref. 124695)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00165 - 0.01051), b=3.12 (2.90 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.40 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (tm=4).
Vulnerability (Ref. 59153
): Moderate vulnerability (44 of 100) .