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Salmoniformes (Salmons) >
Salmonidae (Salmonids) > Coregoninae
Etymology: Coregonus: Greek, kore = pupils of the eye + Greek, gonia = angle (Ref. 45335).
Issue
Belongs to C. artedi complex.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten pelagiska; djupintervall 30 - 190 m (Ref. 86798). Temperate; 2°C - 16°C (Ref. 32460); 50°N - 41°N, 93°W - 76°W (Ref. 86798)
North America: found only in Great Lakes (except Lake Erie) in Canada-USA and Lake Nipigon in Canada. This species is probably extirpated from Lake Ontario and Lake Nipigon, rare in Lake Michigan, and declining in Lake Superior and Lake Huron.
Length at first maturity / Size / Vikt / Age
Maturity: Lm 17.6 range ? - ? cm
Max length : 37.0 cm TL hane/ej könsbestämd; (Ref. 86798); common length : 25.5 cm TL hane/ej könsbestämd; (Ref. 12193); rapporterad maxålder: 11 år (Ref. 120857)
Occurs in large lakes, generally at depths of 30-190 m (Ref.86798).
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00344 - 0.01054), b=3.22 (3.07 - 3.37), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.3 ±0.3 se; based on diet studies.
Generation time: 4.6 (2.9 - 5.8) years. Estimated as median ln(3)/K based on 18
growth studies.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (tm=3; k=0.22).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).
