Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce demersal. Temperate; 50°N - 45°N
North America: St. Lawrence River drainage in Quebec, Canada.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 72.0 cm TL macho/indeterminado; (Ref. 5723); common length : 47.5 cm TL macho/indeterminado; (Ref. 12193)
Occurs in rocky pools, backwaters and swift runs of medium to large rivers.
Life cycle and mating behavior
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
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)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaçada (EN) (A2c; B1ab(v)+2ab(v)); Date assessed: 01 November 2007
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da 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).
Nível Trófico (Ref.
69278): 3.2 ±0.43 se; based on food items.
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (49 of 100).
