The most dangerous animals on the planet are the sea snakes.

 Sea snakes are one of the most venomous animals in the world and have caused more deaths than any other snake species. They're found in tropical waters around the world, and they have a long history of attacking humans. There are between 150 and 250 species of sea snake, but only about five of them pose a serious threat to humans because they're large enough to deliver a lethal dose of venom with a single bite.

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