Gymnocephalus baloni Holcík & Hensel, 1974
Danube ruffe
分類 / 名稱 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Perciformes/Percoidei (Perchs) 鱸形目 (Perchs) > Percidae (Perches) 鱸科 (Perches) > Percinae
Etymology: Gymnocephalus: Greek, gymnos = naked + Greek, kephale = head (Ref. 45335).
Eponymy: Eugene Kornel Balon (1930–2013) was a Canadian ichthyologist and writer. [...] (Ref. 128868), visit book page.
Etymology: Gymnocephalus: Greek, gymnos = naked + Greek, kephale = head (Ref. 45335).
Eponymy: Eugene Kornel Balon (1930–2013) was a Canadian ichthyologist and writer. [...] (Ref. 128868), visit book page.
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; pH range: 6.8 - 7.8; dH range: 10 - 20. 溫帶; 10°C - 20°C (Ref. 12468)
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Europe: Danube (from delta to Germany) and Dniepr (from delta to Kiev) drainages; expected in Dniestr.
歐洲: 多瑙河系統。 在伯恩公約的附錄 3 中 (受保育的動物群).
歐洲: 多瑙河系統。 在伯恩公約的附錄 3 中 (受保育的動物群).
大小 / 重量 / 年齡
簡短描述 檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 14 - 16. Distinguished uniquely from its congeners by its body depth, 27-30% SL. Differs further from other species of the genus by the combination of the following characters: flank grey with a few large, irregular, dark blotches; and dorsal fin with 14-16 spines (Ref. 59043).
Body shape (shape guide): fusiform / normal.
Body shape (shape guide): fusiform / normal.
Inhabits open sandy and muddy bottom in backwaters and large rivers with moderate current. Undertake migration from river mainstreams to backwaters to spawn. Nocturnal, feeding on small invertebrates (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: 多瑙河系統。 在伯恩公約的附錄 3 中 (受保育的動物群).
主要參考資料
上傳您的推薦信 | 參考文獻 | 合作者 | 合作者
Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)
CITES
Not Evaluated
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804): PD50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00469 - 0.02338), b=3.05 (2.87 - 3.23), 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): 3.5 ±0.37 se; based on food items.
回復力 (參考文獻 120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).