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Salmoniformes (Salmons) >
Salmonidae (Salmonids) > Coregoninae
Etymology: Coregonus: Greek, kore = pupils of the eye + Greek, gonia = angle (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce pélagique. Temperate; 49°N - 41°N
North America: found only in Great Lakes (except Lake Erie), Canada-USA. This species is common in Lake Superior, extremely rare, possibly extirpated, in Lakes Huron and Ontario, and endangered in Lake Michigan.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 18.0  range ? - ? cm
Max length : 35.0 cm TL mâle / non sexé; (Ref. 5723); common length : 25.0 cm TL mâle / non sexé; (Ref. 1998); âge max. reporté: 10 années (Ref. 1998)
Épines dorsales (Total): 0; Rayons mous dorsaux (Total): 9-11; Épines anales 0; Rayons mous anaux: 9 - 16; Vertèbres: 55 - 58. Body elongate, distinctly compressed laterally, and thin, greatest body depth in front of dorsal fin. Head about 23 - 26% of total length; eye large, but shorter than snout; snout always longer than eye diameter; mouth terminal, lower jaw usually projecting beyond the upper, usually with a distinct symphyseal knob or projecting posteriorly to below the anterior half of the eye. Overall coloration silvery with pink or purple iridescence, dark on back, silvery on sides, white below; often dark on tip of lower jaw, top of head, back and on dorsal and caudal fins. Pelvic fins usually immaculate.
Inhabits open water.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
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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=0.00589 (0.00340 - 0.01021), b=3.22 (3.07 - 3.37), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.5 ±0.50 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (K=0.51; tmax=10).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (26 of 100).
Nutrients (Ref.
124155): Calcium = 26 [12, 54] mg/100g; Iron = 0.586 [0.296, 1.249] mg/100g; Protein = 19.1 [17.8, 20.3] %; Omega3 = 2.57 [0.84, 9.13] g/100g; Selenium = 17 [6, 57] μg/100g; VitaminA = 15.8 [4.6, 54.6] μg/100g; Zinc = 0.721 [0.498, 1.047] mg/100g (wet weight);