分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 底中水層性. 溫帶; 47°N - 42°N, 2°W - 9°E
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Europe: France from Loire to Garonne drainages on Atlantic slope and from Tech to Aude drainages on Mediterranean slope. Leuciscus population from Hérault is possibly conspecific.
歐洲。
大小 / 重量 / 年齡
成熟度: 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: lacking keel from nape to dorsal origin; snout projecting, pointed; upper jaw projecting; dorsal profile of head and body continuously rounded, usually lacking marked hump; lips thick and fleshy; eye diameter 19-21% HL; snout length 32-34% HL; and lateral line with 47-49 + 3 scales (Ref. 59043).
Inhabits streams and rivers, sectors with current, clear and cool, in deep pools. Adults undergo small migrations. Spawns at night in stretches with swift current and pebble bottom, in deeper pools (Ref. 59043).
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
歐洲。
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 2025-2 (Global))
近危 (NT) (A2ace); Date assessed: 12 October 2023
人類使用
漁業: 沒有興趣
工具
特別的報告
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網路資源
基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00832 (0.00386 - 0.01791), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
2.8 ±0.2 se; based on size and trophs of closest relatives |
回復力 (參考文獻 120179) |
低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.). |
釣魚的脆弱性 (Ref. 59153) |
High vulnerability (62 of 100). 🛈 |