It is easy to be captivated by intelligent, seemingly friendly sea creatures such as dolphins or even by the hunting prowess of the more sinister sharks.

我们很容易被聪明而貌似友好的海洋生物，如海豚，乃至较险恶的鲨鱼狩猎的威力所迷惑。

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Living alongside the largest sharks ever known, the raptorial-meaning actively hunting-whale measured about 60 feet (18 meters) in length, about as big as a modern male sperm whale.

它们曾和史上已知的最大鲨鱼，猛鲨——意味着嗜猎分子，一起生活过。该鲸鱼有60英尺长(约合18米)，堪比现代成熟雄性抹香鲸。

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The predator had killed two soupfin sharks earlier this year, although aquarium officials weren't sure whether the shark was hunting at the time.

今年早期的时候二条鱼翅鲨被这个捕食者咬死了，尽管水族馆的官员不能确定是否这只鲨鱼在当时正在捕猎。

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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.

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That suggests that the sharks use a premeditated hunting strategy akin to that used by some human serial killers.

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

AC4 also borrows from recent Ubisoft highlight Far Cry 3, with Kenway battling sharks below water while diving for booty (a takeoff on the hunting found in that game, as well as in the last AC entry).

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