Actinopteri (ray-finned fishes) > Perciformes/Cottoidei
(Sculpins) > Cottidae
Etymology: Cottinella: Greek, kottos = a fish, diminutive. More on author: Berg.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; bathypelagic; depth range 400 - 1600 m (Ref. 26334), usually - m (Ref. ). Deep-water; 0°C -
Asia: Endemic to Lake Baikal, Russia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.2 cm TL male/unsexed; (Ref. 26334)
About 110-200 eggs are contained in both ovaries (Ref. 2058).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Reshetnikov, Y.S., N.G. Bogutskaya, E.D. Vasil'eva, E.A. Dorofeeva, A.M. Naseka, O.A. Popova, K.A. Savvaitova, V.G. Sideleva and L.I. Sokolov, 1997. An annotated check-list of the freshwater fishes of Russia. J. Ichthyol. 37(9):687-736. (Ref. 26334)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00389 - 0.01621), b=3.12 (2.95 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Fec=110-200).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (33 of 100) .