Issue
Taxonomic status requires further investigation.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Temperate
Europe: upper reaches of Lot, Aveyron, Tarn, and Dordogne (Garonne drainage) in France.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 40.0 cm SL ذكر/ مختلط الجنس; (Ref. 59043)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
Diagnosed from congeners in western Europe by the following characters: absence of keel from nape to dorsal origin; snout projecting, pointed; upper jaw projecting; dorsal profile of head and body continuously rounded, usually lacking marked lump; lips thick, fleshy; eye diameter 19-21% HL; snout length 33-38% HL; and lateral line with 49-53 + 2-3 scales (Ref. 59043).
Inhabits streams and rivers, sectors with current and clear water, in deep pools. Feeds on vegetal matter. Spawns in stretches with swift current and pebble bottom. Reaches up to about 40 cm SL (Ref. 59043).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | 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: Version 2024-2)
استخدامات بشرية
أدوات
تقارير خاصة
Download XML
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 (0.00424 - 0.02252), b=3.02 (2.81 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 2.8 ±0.2 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).
