分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Issue
Taxonomic status requires further investigation.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性.
Europe: upper reaches of Lot, Aveyron, Tarn, and Dordogne (Garonne drainage) in France.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 40.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 59043)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
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
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 17 October 2023
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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).
營養階層 (Ref.
69278): 2.8 ±0.2 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).
