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首页> 外文期刊>Asian Fisheries Science >Corallana nodosa (Schioedte and Meinert, 1879) (Crustacea: Isopoda: Corallanidae), attacking freshwater fish at the Durian Tunggal Dam, Melaka, Malaysia.
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Corallana nodosa (Schioedte and Meinert, 1879) (Crustacea: Isopoda: Corallanidae), attacking freshwater fish at the Durian Tunggal Dam, Melaka, Malaysia.

机译：Corallana nodosa （Schioedte和Meinert，1879年）（甲壳纲：Isopoda：Corallanidae）在马来西亚马六甲的榴莲Tunggal大坝上袭击淡水鱼。

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摘要

In January 2005, some dying freshwater fish were reported in Durian Tunggal Dam, Melaka. An isopod was observed to cause the injuries, lesions on various parts of the fish body. The isopod attaches at the base of the fins, on the head and abdomen, under scales and in the gill cavity. In one severe case, haemorrhages were seen all over the body of the infected fish, leading to its death. This isopod is not host specific as it attaches to various species of freshwater fish such as black tilapia (Oreochromis mossambicus), red tilapia (Oreochromis niloticus hybrid), common carp (Cyprinus carpio) and the goldfish (Carrasius auratus). Light-microscopic examination identified the isopod as Corallana nodosa (Schioedte and Meinert, 1879). The key identification characters were based on sparse setae on the maxilliped, short and tiny maxilla and maxillules generally hooked or with one or two terminal spines. An attempt to establish the life cycle of this parasite was not successful after 28 trials in laboratory. The isopods could survive up to day five under laboratory conditions.
机译：2005年1月，在马六甲的榴莲Tunggal大坝上报告了一些垂死的淡水鱼。观察到一种等足动物会造成鱼身体各个部位的伤害和损伤。等足动物附着在鳍的底部，头部和腹部，鳞片下和and腔中。在一个严重的案例中，在感染鱼的整个身体中都发现了出血，导致其死亡。这种异足动物没有宿主特异性，因为它附着在各种淡水鱼上，例如黑罗非鱼（ Oreochromis mossambicus ），红罗非鱼（ Oreochromis niloticus 杂种），鲤鱼（< i> Cyprinus carpio ）和金鱼（ Carrasius auratus ）。光学显微镜检查鉴定出该脚形动物为结节夜蛾（Corallana nodosa）（Schioedte and Meinert，1879）。关键的识别特征是基于上颌，短而微小的上颌骨的稀疏刚毛和通常钩上或带有一或两个末端棘的上颌骨。在实验室进行28次试验后，试图建立这种寄生虫生命周期的尝试并未成功。在实验室条件下，这些等足动物可以存活到第五天。

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