In order to find fish, the seals have to cross the deep water of the bay—this is where the sharks wait.

为了找到鱼，海豹必须穿过海湾的深水区——这就是鲨鱼等待的地方。

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See whales and sharks of the Bay of Fundy.

看到鲸鱼和芬迪湾鲨鱼。

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So shark experts Neil Hammerschlag of the University of Miami in Florida, US, and Aiden Martin of the University of British Columbia in Vancouver, Canada, decided to study the predatory habits of great white sharks hunting off Seal Island, in False Bay, South Africa.

BBC: Earth News - Great whites 'plan' seal attacks