Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar dasar (demersal); kisaran kedalaman ? - 366 m, usually 25 - ? m (Ref. 27547). Temperate; 69°N - 42°N
North America: St. Lawrence-Great Lakes and Arctic basins from western Quebec in Canada and New York in USA west to Alberta in Canada and north to Northwest Territories in Canada.
Size / Weight / umur
Maturity: Lm ? range ? - ? cm
Max length : 23.0 cm TL jantan/; (Ref. 5723); common length : 12.5 cm TL jantan/; (Ref. 12193)
A dwarf form (Ref. 27547). Inhabits bottoms of deep, cold lakes. Feeds on small crustaceans and insects (Ref. 27547).
Life cycle and mating behavior
Maturities | Reproduksi, perkembang biakan | Spawnings | Egg(s) | Fecundities | Larva
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)
Status IUCN Red List (Ref. 130435)
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber 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=0.00676 (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).
Trophic level (Ref.
69278): 3.2 ±0.42 se; based on food items.
Daya lenting (Ref.
120179): sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (13 of 100).
