Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Temperate
Europe: Lake Neuchâtel, Switzerland (Ref. 56679). Extinct (Ref.59043).
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm SL ذكر/ مختلط الجنس; (Ref. 59043)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
Distinguished from congeners in central Europe by the following characters: males with pelvic fin reaching to anus; flank yellowish, fins without white margins; mouth subinferior, lower jaw included in upper jaw; snout blunt; eye diameter 1.0-1.1 times in interorbital distance, 24-25% HL; body depth at anal origin 13-16% SL; and 21-23 gill rakers (Ref. 59043).
Inhabits lake in deep area, below 80 m. Feeds predominantly on insect larvae, snails, crustaceans and fish eggs (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=0.00977 (0.00468 - 0.02039), b=3.04 (2.87 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.5 ±0.5 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).