Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع. Temperate; 42°N - 39°N
North America: Pit and upper Sacramento River (above mouth of Pit River) systems in Oregon and California, USA.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm TL ذكر/ مختلط الجنس; (Ref. 5723); common length : 7.0 cm TL ذكر/ مختلط الجنس; (Ref. 12193); العمر: 5 سنين (Ref. 6083)
Inhabits rocky riffles of headwaters, creeks and small rivers.
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): 3.3 ±0.5 se; based on size and trophs of closest relatives
Generation time: 5.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (tmax=5; k=0.19).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).