Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal. Temperate; 50°N - 45°N
North America: St. Lawrence River drainage in Quebec, Canada.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 72.0 cm TL mâle / non sexé; (Ref. 5723); common length : 47.5 cm TL mâle / non sexé; (Ref. 12193)
Occurs in rocky pools, backwaters and swift runs of medium to large rivers.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Publ. (20):183 p. (Ref. 3814)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menacé (EN) (A2c; B1ab(v)+2ab(v)); Date assessed: 01 November 2007
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
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=0.01148 (0.00483 - 0.02731), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.43 se; based on food items.
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (49 of 100).
