3000 exotic goldfish

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放生寵物除了危害該動物,更會對整個生態平衡造成破壞。美國科羅拉多湖早前有人把寵物金魚放生,導致現在有3000多條金魚在湖裡,這外來物種影響了當地生態,危害原居那裡的黃石鮰、銅色突頜魚等。為除去這3000條金魚,官方或會放電擊暈金魚,並用以餵飼該區其他動物。

releasing unwanted pet to the nature could harm that animal as well as the eco-system of that area. few years ago someone dumped a few golden fish into the Colorado Lake and now there are more than 3000 of them! these exotic species are threatened the local species like common shiner and stone cat fish.
Colorado Parks and Wildlife officials are going to electroshocking the goldfish to remove them or killed them with chemicals.

http://news.discovery.com/animals/3000-goldfish-swimming-amok-in-colorado-lake-150408.htm

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