Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع. Temperate; 39°N - 37°N
North America: Atlantic Slope from upper Potomac River drainage in Virginia and West Virginia to Roanoke River drainage in northern central Virginia and adjacent West Virginia (absent in York River system), USA; upper New River drainage in Virginia (apparently extirpated), USA.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 18.0 cm TL ذكر/ مختلط الجنس; (Ref. 5723); common length : 12.0 cm TL ذكر/ مختلط الجنس; (Ref. 12193); العمر: 7 سنين (Ref. 12193)
Inhabits rocky riffles and runs of moderate to swift creeks and small rivers. Young occur in rocky runs and pools.
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 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00202 - 0.01242), b=3.09 (2.87 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 2.6 ±0.27 se; based on food items.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (tmax=7).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
