On the surface, the island of Cozumel-a 30-minute ferry ride from Playa del Carmen on Mexico's Yucatan peninsula-is a peaceful tropical paradise. But off the island's shore, it is under siege from the beautiful, exotic lionfish, which is encroaching on the world's second-largest coral reef.
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机译：从表面上看，科苏梅尔岛是一个安静的热带天堂，科苏梅尔岛是墨西哥尤卡坦半岛上的普拉亚德尔卡曼（Playa del Carmen）轮渡30分钟车程。但是在岛的岸边，它正被美丽的异国it鱼所包围，ion鱼正在蚕食世界第二大的珊瑚礁。
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