Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bottenlevande; djupintervall ? - 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.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 13.4 cm TL hane/ej könsbestämd; (Ref. 1998); common length : 6.0 cm TL hane/ej könsbestämd; (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
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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
Ytterligare information
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikElectrophoresesÄrftlighetSjukdomarBehandlingNutrientsMass conversion
Verktyg
Special reports
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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).
Trofisk nivå (Ref.
69278): 3.0 ±0.35 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
