World's 7 most horrible animals
By: Team Ifairer | Posted: 19-05-2016
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Box Jellyfish
Box Jellyfishes venom is considered to be among the most deadly in the world. This toxins that attack the heart, nervous system, and skin cells. A box jellyfish can have up to 60 tentacles as long as 15 feet. Each tentacle has enough toxin to kill 50 humans.