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Perciformes/Cottoidei (Sculpins) >
Cottidae (Sculpins)
Etymology: Cottocomephorus: Greek, kottos = a fish + Greek,kome, es = long hair + Greek, pherein = to carry (Ref. 45335).
Eponymy: Konstantin Ivanovich Grewingk (1819–1887) was a Baltic-German from Estonia who was Professor of Geology and Minerology at the University of Tartu (then Yur’yev) (1864) where he graduated. [...] (Ref. 128868), visit book page.
More on author: Dybowski.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten; brackvatten bentopelagisk; ej vandrande; djupintervall 20 - 300 m. Boreal; 4°C - 20°C (Ref. 2059); 55°N - 50°N
Asia: Endemic to Lake Baikal and its tributaries. Occurs virtually in all regions of the open part of Lake Baikal. Also found in the Angara (as far as the mouth) and in the Irkut; enters the estuaries of the rivers falling into Baikal.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 19.0 cm TL hane/ej könsbestämd; (Ref. 2058)
Taggstrålar i ryggfenan (totalt) : 7 - 9; Mjukstrålar i ryggfenan (totalt) : 17 - 20; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 19 - 22.
Body shape (shape guide): elongated.
Feeds mainly on the plankton: the copepod Epischura baicalensis, the amphipod Macrohectopus branickii and on the larvae of its own genus.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Berg, L.S., 1965. Freshwater fishes of the U.S.S.R. and adjacent countries. volume 3, 4th edition. Israel Program for Scientific Translations Ltd, Jerusalem. (Russian version published 1949). (Ref. 2058)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00290 - 0.01252), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.0 se; based on diet studies.
Generation time: 4.2 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (tmax=5; K=0.26).
Sårbarhet i fisket (Ref.
59153): Low to moderate vulnerability (34 of 100).
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