Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Nước ngọt gần đáy; Mức độ sâu ? - 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.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.4 cm TL con đực/không giới tính; (Ref. 1998); common length : 6.0 cm TL con đực/không giới tính; (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 | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
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)
Threat to humans
Harmless
Human uses
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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=0.00676 (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).
Mức dinh dưỡng (Ref.
69278): 3.0 ±0.35 se; based on food items.
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).