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Rastrineobola argentea (Pellegrin, 1904)
Silver cyprinid
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
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Africa: known from the Lake Victoria drainage, including Lake Kyoga, Lake Nabugabo and the Victoria Nile (Ref. 4903).
非洲: 維多利亞湖與 Kyoga 湖，維多利亞尼羅河。
非洲: 維多利亞湖與 Kyoga 湖，維多利亞尼羅河。
初熟時的長度 / 大小 / 重量 / 年齡
成熟度: Lm 3.8, range 4 - 4.9 cm
Max length : 8.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 52331); 最大年齡: 3.00 年 (Ref. 126001)
Max length : 8.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 52331); 最大年齡: 3.00 年 (Ref. 126001)
簡短描述 檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 9 - 11; 臀鰭軟條: 16 - 19. Diagnosis: body strongly compressed (Ref. 34290), body height 4.25-4.75 times in body length, caudal peduncle twice as height as long (Ref. 42448). Lower jaw slightly prominent (Ref. 55057). Mouth large, terminal and rather oblique, without lips or circumoral barbels (Ref. 34290), extending to below anterior border of eye (Ref. 1872, 2988, 31439). Cheek largely covered by thin suborbital bones (Ref. 2988, 31439, 34290). Branchiospines rather short but not rudimentary; pharyngeal teeth conical (Ref. 55057). Gill rakers moderately long (Ref. 2988, 31439), 16 on (lower part of) first branchial arch (Ref. 2988, 4903, 31439). Scales moderately large, 42-56 on lateral line (Ref. 34290). Lateral line descending from about upper part of gill opening to just before ventral-fin origin (Ref. 42005, 55057), more or less following the ventral body profile from ventral fin to caudal peduncle (Ref. 34290, 55057). Dorsal fin situated almost entirely above anal fin (Ref. 34290). Anal-fin base about twice as long as dorsal-fin base (Ref. 4967). 12-17 branched anal-fin rays (Ref. 4903, 34290). Pectoral fin not reaching pelvic fin (Ref. 2988, 4967, 31439, 55057). Body silver with an overall nacreous sheen (Ref. 4903, 34290), yellowish brown above (Ref. 31439). Caudal fin yellow (Ref. 2988¸4903, 31439, 34290), other fins colourless (Ref. 4903, 34290), white or greyish (Ref. 2988, 31439). Dead specimens with a distinct mid-lateral stripe (Ref. 4903, 34290), stripe silver in life (Ref. 4967).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
側線在身體上的低處而且沿著尾梗的下面部份。 頰被細的眶下骨蓋著了。 銀色的有一個整體的 nacreous 光輝。 尾鰭黃色。 死的標本具有一個明顯的側面中央的斑紋。 (參考文獻 34290)
Body shape (shape guide): fusiform / normal; Cross section: compressed.
側線在身體上的低處而且沿著尾梗的下面部份。 頰被細的眶下骨蓋著了。 銀色的有一個整體的 nacreous 光輝。 尾鰭黃色。 死的標本具有一個明顯的側面中央的斑紋。 (參考文獻 34290)
Highly adapted to pelagic life (Ref. 12526). Found inshore and offshore (Ref. 34290). Known from the surface of inshore and coastal waters; some records from surface waters over great depth (Ref. 4903, 34291). Adults stay near the bottom during the day and near the surface at night (Ref. 34291). Juvenile fish migrate away from the shore after spending their larval stage in shallow areas (Ref. 33811). In Lake Kyoga occurring in open water away from water-lily swamps; in Victoria Nile caught in turbulent regions (Ref. 4903). Feed on zooplankton and surface insects (Ref. 4903, 12526, 34291) and eaten by birds and various fish species, mainly siluroids including Schilbe mystus, Clarias gariepinus, Bagrus docmak (Ref. 12526, 52061) and Synodontis victoriae (Ref. 125996). Mature individuals spawn in the lake and produce floating eggs (Ref. 52061). Sensitive to low oxygen conditions (Ref. 125996).
發現於岸邊了與外海.(參考文獻 34290) 稚年的魚移動在水淺的區域中花費他們的幼魚時期之後遠離海岸.(參考文獻 33811) 成魚停留在底部的附近在白天期間與晚上接近水表面處.(參考文獻 34291) 吃浮游動物 (參考文獻 13624) 與水面的昆蟲。 (參考文獻 34291) 很少達到長度大於 8 cm SL 。 (參考文獻 34290) 也用抄網捕獲。 (參考文獻 4967)
發現於岸邊了與外海.(參考文獻 34290) 稚年的魚移動在水淺的區域中花費他們的幼魚時期之後遠離海岸.(參考文獻 33811) 成魚停留在底部的附近在白天期間與晚上接近水表面處.(參考文獻 34291) 吃浮游動物 (參考文獻 13624) 與水面的昆蟲。 (參考文獻 34291) 很少達到長度大於 8 cm SL 。 (參考文獻 34290) 也用抄網捕獲。 (參考文獻 4967)
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: 維多利亞湖與 Kyoga 湖，維多利亞尼羅河。
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: 高經濟性; 誘餌: usually
FAO - 漁業: 著陸; Publication: search | FishSource |
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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 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00486 - 0.00783), b=3.08 (3.01 - 3.15), in cm total length, based on LWR estimates for this species (Ref. 93245).
營養階層 (參考文獻 69278): 3.4 ±0.49 se; based on food items.
回復力 (參考文獻 120179): 高度, 族群倍增時間少於 15個月 (K=0.9-1.0).
營養素 (Ref. 124155): Calcium = 592 [309, 1,211] mg/100g; Iron = 3.53 [1.92, 6.55] mg/100g; Protein = 18.3 [17.1, 19.5] %; Omega3 = 0.752 [0.283, 2.013] g/100g; Selenium = 39.6 [14.1, 130.0] μg/100g; VitaminA = 85.2 [29.4, 254.1] μg/100g; Zinc = 2.78 [1.83, 4.28] mg/100g (wet weight);