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Teleostei (teleosts) > Perciformes/Cottoidei (Sculpins) > Cottidae (Sculpins)
Eponymy: Karl Fedorovich (Theodorovich) Kessler (1815–1881) was a Russian-German zoologist and collector who was one of the founders of the St Petersburg Society of Naturalists (1868), and its President (1868–1879). [...] (Ref. 128868), visit book page.
More on author: Dybowski.

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; demersal; depth range 50 - 170 m (Ref. 2058), usually 50 - 70 m (Ref. 2058). Boreal

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Lake Baikal and small lakes in its basins; lower Selenge, Angara and Baingol rivers.

Length at first maturity / Size / Weight / Age

Maturity: L_m 5.8 range ? - ? cm
Max length : 14.0 cm TL male/unsexed; (Ref. 2058)

Occurs where the bottom is sand, sand-and-stone and sand-and-silt. Stays at a depth range of 3-15 m during the winter months. Spawns from mid May until the end of June, over sand and stone bottom, 3-5 m depth, as well as in shallow inlets and tributary mouths. Eggs are deposited under stones and are guarded by the male. Males are larger than females. (Ref. 2058).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Kottelat, M., 2006. Fishes of Mongolia. A check-list of the fishes known to occur in Mongolia with comments on systematics and nomenclature. The World Bank, Washington, DC. 103 p. (Ref. 57778)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Least Concern (LC) ; Date assessed: 25 June 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0020 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00794 (0.00386 - 0.01635), 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): 3.2 ±0.3 se; based on diet studies.

Generation time: 4.8 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (tm=2; tmax=6; K=0.23).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Leocottus kesslerii (Dybowski, 1874)