Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع; نطاق العمق ? - 137 m (Ref. 5723). Temperate; 70°N - 42°N
North America: St. Lawrence-Great Lakes and Arctic basins from southern Quebec to the Mackenzie River drainage in Northwest Territories, Yukon Territory and northeastern British Columbia in Canada, and south to northern Ohio and northern Montana in the USA.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 13.4 cm TL ذكر/ مختلط الجنس; (Ref. 1998); common length : 6.0 cm TL ذكر/ مختلط الجنس; (Ref. 12193)
Inhabits rocky areas of swift creeks and rivers. Also found in lakes. Probably feeds on planktonic crustaceans and aquatic insect larvae (Ref. 1998). Spawning occurs late summer or early fall (Ref. 1998). Forage fish of Salvelinus namaycush and Lota lota found in inland lakes (Ref. 1998).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
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)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
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=0.00676 (0.00300 - 0.01523), b=3.17 (2.98 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.0 ±0.35 se; based on food items.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
