Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Nước ngọt gần đáy. Temperate; 47°N - 38°N
North America: Columbia drainage from Idaho, Wyoming and Nevada to Washington and Oregon in the USA; western endorheic basins including Lake Tahoe in Nevada and California, Humboldt River in Nevada, and Bear River in Utah, USA.
Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm 4.8  range ? - ? cm
Max length : 13.0 cm TL con đực/không giới tính; (Ref. 5723); common length : 4.8 cm TL con đực/không giới tính; (Ref. 12193)
Các tia vây lưng cứng (tổng cộng) : 7 - 8; Các vây lưng mềm (tổng cộng) : 16 - 18; Tia mềm vây hậu môn: 11 - 13.
Inhabits rubble and gravel riffles of cold creeks and small to medium rivers. Also found in rocky shores of lakes.
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): 3.3 ±0.5 se; based on size and trophs of closest relatives
Generation time: 3.5 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (Fec=181).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (32 of 100).