[問題] 在戶外池養鱧魚可以防青蛙嗎
最近看到版上及認識的人因為戶外池引來青蛙等兩棲類而決定要撤掉水池或用一些奇怪的偏方來防止侵入。
由於前陣子看到節目在介紹台灣的外來魚種,因此有了這個想法。
鱧魚會以小魚,兩棲類等,只要塞的進嘴的小動物為食,而且適應了台灣的環境造成了生態浩劫。
但反過來想,如果要防止兩棲類入侵,撈一尾鱧魚丟進池子是否有效?而且鱧魚當時進口的目的為觀賞魚,身上的彩紋還蠻漂亮的。
缺點的話應該就是其牠魚得要先撤掉,水池也要稍微大一點吧。
請問養一條鱧魚(蛇魚)在戶外池有沒有搞頭?
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