Labeobarbus bynni (Fabricius, 1775)
Niger barb
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Labeobarbus bynni
拍攝者 Bursell, J.J.
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拍攝者 Bursell, J.J.
分類 / 名稱 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Cypriniformes (Carps) 鯉形目 (Carps) > Cyprinidae (Minnows or carps) 鯉科 (Minnows or carps) > Torinae
Eponymy: Not an eponym, but, according to Forsskål, the local Arabic name for the fish. (Ref. 128868), visit book page.
Eponymy: Not an eponym, but, according to Forsskål, the local Arabic name for the fish. (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. 亞熱帶的; 32°N - 3°N
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Africa: Nile River and lakes once connected to the Nile system (Ref. 2801, 2959); Chad, Niger, Senegal, Volta, Ouémé and Ogun river basins (Ref. 2940, 81282); coastal rivers (Sassandra, Bandama, Niouniourou, Comoé and Tano) of Côte d'Ivoire and Ghana, west of the Volta basin. Following subspecies are recognized: Labeobarbus bynni bynni; Labeobarbus bynni occidentalis and Labeobarbus bynni waldroni.
非洲: 侷限於尼羅河系統了; 也發現於被連接到尼羅河的湖。
非洲: 侷限於尼羅河系統了; 也發現於被連接到尼羅河的湖。
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) : 1; 背的軟條 (總數) : 13 - 14; 臀鰭軟條: 8. Diagnosis: last simple dorsal-fin ray forming ossified spine longer than head in specimens over 150 mm SL. B. bynni occidentalis: scale formula 5.5/26-31/4.5-5.5; 2.5-3 scales between lateral line and middle of belly, behind pelvic-fin origin; 12 scales around caudal peduncle; dorsal fin with 4 unbrached and 9 branched rays; anal fin with 3 unbranched and 5 branched rays; pectoral fin with 16-19 rays; pelvic fin with 1 unbranched and 8 branched rays; 3-5/12-15 gill rakers on first gill arch (Ref. 2940, 81282). B. bynni waldroni: scale formula 4.5/24-28/4.5; 2.5 scales between lateral line and middle of belly, behind pelvic-fin origin; 12 scales around caudal peduncle; dorsal fin with 4 unbranched and 9-10 branched rays; anal fin with 3 unbranched and 5 branched rays; pectoral fin with 1 unbranched and 14-16 soft rays; pelvic fin with 1 unbranched and 8 branched rays; 3-6/14-17 gill rakers on first gill arch (Ref. 2940, 81282).
Feed on crustaceans, insects, molluscs and organic debris; in the Jebel Aulia Reservoir, annual spawning coincides with the onset of the floods; fecundity estimates ranged from 72 x 1,000 at 33 cm (4 yrs.) to over 14 x 10,000 at 74 cm (8 yrs) (Ref. 28714).
吃甲殼動物，昆蟲，軟體動物與有機的殘礫。 在 Jebel Aulia 水庫，一年一次的產卵一致洪水的開始。 孕卵數在 33 公分估計範圍從 72個 x 1,000(4個歲) 在 74 公分 (8個歲) 的到超過 14個 x 10,000.
吃甲殼動物，昆蟲，軟體動物與有機的殘礫。 在 Jebel Aulia 水庫，一年一次的產卵一致洪水的開始。 孕卵數在 33 公分估計範圍從 72個 x 1,000(4個歲) 在 74 公分 (8個歲) 的到超過 14個 x 10,000.
生命週期和交配行為 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 侷限於尼羅河系統了; 也發現於被連接到尼羅河的湖。
主要參考資料
上傳您的推薦信 | 參考文獻 | 合作者 | 合作者
Lévêque, C. and J. Daget, 1984. Cyprinidae. p. 217-342. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 2801)
CITES
Not Evaluated
對人類具威脅
無害處的
人類使用
漁業: 商業性; 游釣魚種: 是的
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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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00430 - 0.02123), b=3.02 (2.83 - 3.21), 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): 3.1 ±0.40 se; based on food items.
Generation time: 4.2 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
回復力 (參考文獻 120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.26).