Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθικό(ς); εύρος βάθους 20 - 180 m. Temperate; 62°N - 42°N
North America: Great Slave Lake in Northwest Territories, Canada southeast through Hudson Bay and Great Lakes basin (except Lakes Ontario and Erie). Declining in Lakes Superior and Nipigon. Uncommon outside Great Lakes basin (Ref. 5723).
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 5723); common length : 28.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 1998); μεγ. αναφερόμενη ηλικία: 11 έτη (Ref. 12193)
Usually found in deep water of large lakes. Belongs to C. artedi complex. Formerly commercial important, but now extinct.
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
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=0.00537 (0.00264 - 0.01091), b=3.22 (3.05 - 3.39), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.4 ±0.45 se; based on food items.
Ελαστικότητα (Ref.
120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (tmax=11).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).