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首页> 外文期刊>Marine biology >The tongue-replacing isopod Cymothoa borbonica reduces the growth of largespot pompano Trachinotus botla
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The tongue-replacing isopod Cymothoa borbonica reduces the growth of largespot pompano Trachinotus botla

机译：换舌的等脚足菜Cymothoa borbonica减少了大斑po鱼Trachnotus botla的生长

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摘要

Cymothoa borbonica prevalence in the buccal cavity of Trachinotus botla was high, with 45 % of all fish sampled being infected. Smaller fish were more susceptible to infection with no parasites found in fish over 400 mm FL. The detrimental effects of parasite infection on their hosts include basihyal (the bone commonly known as the "tongue") damage, a loss in buccal cavity volume as a result of female parasite attachment, and a severe impact on host growth. By combining short-term dietary analysis and medium-term stable isotope analysis, there was little evidence to suggest a modification in either the diet or feeding habits of infected fish where infected and unin-fected fish occupied the same trophic niche. Inhibited growth in infected fish is hypothesized to be from respiratory distress from long-term oxygen deficiency through buccal obstruction.
机译：斜纹小球菌颊颊腔中的Cymothoa borbonica患病率很高，所有样本鱼类中有45％受到感染。较小的鱼更易感染，在FL超过400毫米的鱼中未发现任何寄生虫。寄生虫感染对其宿主的有害影响包括基底透明质酸（骨头，通常称为“舌头”）损坏，由于雌性寄生虫附着而导致的颊腔容积减少以及对宿主生长的严重影响。通过短期饮食分析和中期稳定同位素分析相结合，几乎没有证据表明受感染鱼的饮食或摄食习惯有所改变，其中受感染和未受感染的鱼占据了相同的营养位。据推测，受感染鱼的生长受抑制是由于长期呼吸道缺氧，口腔阻塞引起的呼吸窘迫。

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  • 来源
    《Marine biology》 |2013年第11期|2943-2950|共8页
  • 作者

    D. Parker; A. J. Booth;

  • 作者单位

    Department of Ichthyology and Fisheries Science,Rhodes University, PO Box 94, Grahamstown 6140,South Africa;

    Department of Ichthyology and Fisheries Science,Rhodes University, PO Box 94, Grahamstown 6140,South Africa;

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