Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Temperate
Europe: River Don in Russia and Ukraine.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 10.0 cm SL ذكر/ مختلط الجنس; (Ref. 59043)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
Differs from other congeners in Black and Caspian Sea basins by the possession of the following characters: barbel reaching to anterior eye margin; breast naked between pectorals; snout length greater than postorbital distance; head length 23-28 % SL; head depth at nape 14-15% SL, at eye 45-54% HL; body depth 18-22% SL; head width 13-15% SL 49-64% HL; eye diameter 4-6% SL, 2.8-3.2 times in head depth, 1.3-1.5 times in interorbital distance at 8-10 cm SL; and caudal peduncle depth 29-39% HL (Ref. 59043).
Occurs in a wide variety of habitats in rivers and streams. Size reaches up to about 10 cm SL (Ref. 59043).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)
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=0.00708 (0.00304 - 0.01646), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.2 ±0.4 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).
