Surprisingly, this year the loss of native fish to zander has been greater than before.

令人惊讶的是，今年被梭鲈吃掉的原生鱼比以往更多。

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He says his studies of Australian native fish show fish were intelligent creatures that know how to avoid enemies and catch food like any other animal.

他说，他对澳大利亚本土鱼类的研究表明，鱼是一种聪明的生物，像其他动物一样知道如何躲避敌人和捕捉食物。

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Often, the fish escape and compete with native fish for food, leading to declines in native populations.

这类鱼经常在逃跑后和当地的鱼群争抢食物，因此导致当地鱼群的数量减少。

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Any of various usually woody vines of the genus derris of tropical Asia whose roots yield the insecticide rotenone; several are sources of native fish and arrow poisons.

热带亚洲鱼藤属的任何一种木质藤本植物，其根产出一种属于杀虫物质的鱼藤酮；该属有几种植物当地用作鱼毒和箭毒的原料。

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Any of various usually woody vines of the genus derris of tropical Asia whose roots yield the insecticide rotenone; several are sources of native fish and arrow poisons.

热带亚洲鱼藤属的任何一种木质藤本植物，其根产出一种属于杀虫物质的鱼藤酮；该属有几种植物当地用作鱼毒和箭毒的原料。

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