Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة; مياه مخلوطة قاعية التغذية و المعيشة. Temperate; 39°N - 35°N
North America: Sacramento-San Joaquin, Pajaro and Salinas River drainages; Clear Lake in California, USA; also Russian River, where possibly introduced; introduced to Santa Ana River in California and Humboldt River system in Nevada.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 55.0 cm TL ذكر/ مختلط الجنس; (Ref. 5723); common length : 35.0 cm TL ذكر/ مختلط الجنس; (Ref. 12193); العمر: 5 سنين (Ref. 72462)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشعة الظهرية الناعمة (المجموع) : 9 - 11. Dorsal fin with 9-11 rays; dorsal-fin origin in front of pelvic-fin origin; 90-105 scales on lateral line; wide head, flat above; slightly upturned mouth; slender, compressed body; long narrow caudal peduncle; pharyngeal teeth 0,6-6,0 or 0,6-5,0; light to dark gray above, often olive sheen; silver side (Ref. 86798).
Occurs in lakes, backwaters and sluggish pools of small to large rivers. Usually found in warm turbid water (Ref. 86798).
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 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00455 - 0.02896), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 2.0 ±0.2 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): منخفظ جدا, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أكثر من 14 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).
