- Introduced here just 40 years ago,
虽然才被引入此地四十年 - they have proliferated. Virtually exterminated the local fish stocks...
繁殖数量却已大大增长 几乎迫使本地鱼类灭绝 - And they've now developed a taste for pigeon.
现在它们将猎食对象转向了鸽子 - Their eyesight is poor,
由于视力微弱 - so they use their barbels to sense the movements of their victims.
它们依靠触须来探测猎物的动静 - This is a radical new hunting strategy
对底栖鱼类来说 - for what is normally a bottom-dwelling fish.
这是种全新的捕猎策略
Their eyesight is poor, 由于视力微弱
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