Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Subtropical
North America: Upper Tennessee River system in U.S.A.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 7.4 cm TL ذكر/ مختلط الجنس; (Ref. 86798)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
Chrosomus saylori resembles C. erythrogaster but differs from this species by having S-shaped gut (vs. double-looped) and black on underside of head in breeding males (Ref. 86798).
Inhabits rocky pools of headwaters and creeks, usually along undercut banks or around large rocks (Ref. 86798).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
IUCN Red List Status (Ref. 130435)
في خطر (EN) (B1ab(iii)+2ab(iii)); Date assessed: 03 November 2011
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 2.5 ±0.1 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
