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首页> 外文期刊>Marine ecology >Escaped introduced sea bass (Dicentrarchus labrax) infected by Sphaerospora testicularis (Myxozoa) reach maturity in coastal habitats off Canary Islands
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Escaped introduced sea bass (Dicentrarchus labrax) infected by Sphaerospora testicularis (Myxozoa) reach maturity in coastal habitats off Canary Islands

机译：在加那利群岛附近的沿海生境中，被Sphaerospora testicularis（Myxozoa）感染的逃逸引入的鲈鱼（Dicentrarchus labrax）达到成熟

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摘要

Aquaculture activities have introduced European sea bass (Dicentrarchus labrax) along the coasts of some of the Canary Islands. We present the first record of simultaneous male and female gonad maturation of escaped sea bass in the wild, indicating that this species is finding its essential fish habitat (EFH). Individuals with ripe gonads were only caught during January and February 2009, although the maturation and spawning season may last from November to February in the studied area (Tenerife island). Bass infected by Sphaerospora testicularis were found and the incidence of the parasite was checked. This represents the southernmost record of the parasite, probably introduced together with sea bass stock. The results are discussed from the point of view of risk assessment and the ecology of invasions being valuable for aquaculture management in Central North Atlantic and Mediterranean areas.
机译：水产养殖活动已在加那利群岛的一些海岸引入了欧洲鲈鱼（Dicentrarchus labrax）。我们提出了在野外逃逸的鲈鱼同时发生雄性和雌性性腺成熟的第一个记录，表明该物种正在寻找其重要的鱼类栖息地（EFH）。性腺成熟的个体仅在2009年1月和2月被捕，尽管在研究区域（特内里费岛）的成熟和产卵季节可能持续11月至2月。发现被睾丸球菌感染的鲈鱼，并检查了寄生虫的发生率。这代表了该寄生虫的最南端记录，可能与鲈鱼种群一同引入。从风险评估和入侵生态学的角度对结果进行了讨论，这对于北大西洋中部和地中海地区的水产养殖管理具有重要意义。

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  • 来源
    《Marine ecology》 |2012年第1期|p.26-31|共6页
  • 作者

    Kilian Toledo-Guedes; Pablo Sanchez-Jerez; Jaume Mora-Vidal; Dominique Girard; Alberto Brito;

  • 作者单位

    Biodiversidad, Ecologia Marina y Conservacion, Dpto. de Biologia Animal (Ciencias Marinas), Universidad de La Laguna, Avenida Francisco Sanchez s, E-38206 La Laguna, Tenerife, Islas Canarias, Spain;

    Dpto. de Ciencias del Mar y Biologia Aplicada, Universidad de Alicante, Alicante, Spain;

    Biodiversidad, Ecologia Marina y Conservacion, Dpto. de Biologia Animal (Ciencias Marinas), Universidad de La Laguna, La Laguna, Tenerife, Islas Canarias, Spain;

    Biodiversidad, Ecologia Marina y Conservacion, Dpto. de Biologia Animal (Ciencias Marinas), Universidad de La Laguna, La Laguna, Tenerife, Islas Canarias, Spain;

    Biodiversidad, Ecologia Marina y Conservacion, Dpto. de Biologia Animal (Ciencias Marinas), Universidad de La Laguna, La Laguna, Tenerife, Islas Canarias, Spain;

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  • 正文语种 eng
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  • 关键词

    aquaculture; dicentrarchus labrax; escapees; exotic species; introduction; sphaerospora testicularis;

    机译：水产养殖;dicentrarchus labrax;逃脱者外来物种介绍;睾丸球菌;

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