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   Hypophthalmichthys nobilis (魚類) English 
生態 分佈 管理 影響 參考資料 聯繫


    Burr 等人(1996)報告指出,白鰱(Hypophthalmichthys molitrix)和大頭鰱(Hypophthalmichthys nobilis)的潛在影響,尚未被充分認識。顯然這些魚的銷售市場還沒有建立。很難正確地鑑定這些魚,使得商業性地捕撈這些物種的合法性難以確定,讓一些漁民深感苦惱。一般認為,這些物種會與當地物種互動產生一些消極的影響,但需進一步研究,才能得出結論。
    USGS-NAS(2005)報告指出,因為大頭鰱是大型的浮游生物捕食者,Laird and Page(1996)認為這些魚有可能會消耗浮游動物族群。浮游生物減少,可能會導致靠浮游生物為食的生物跟著減少,包括所有魚苗,一些成魚,和原生蚌類。大頭鰱(Hypophthalmichthys nobilis)也是多種魚類疾病的傳播載體(FIGIS, 2005)。

    Lake Donghu (China) English 
    降低本地生物多樣性: In Asia, one of the worst documented negative effects on fish biodiversity has resulted from within country translocations, for example, in Donghu Lake, Wuhan, China when the introduction of grass carp resulted in the decimation of submerged macrophytes and the consequent ecological changes brought about an upsurge of Hypophthalmichthys spp. but also the disappearance of most of the 60 fish species native to the lake (Chen, 1989) (Nguyen and Nakorn, 2004).

ISSG Landcare Research NBII IUCN University of Auckland