You may be somewhat familiar with these sea snakes. They are quite common, and you may have seen them in films or even in person. They are recognizable from their stripes. Usually these snakes have no interest in confrontation, but if one feels threatened, it may bite you. Three out of four times this will be no big deal, since only about one quarter of Belcher’s Sea Snakes carry venom. Those that do though have the highest concentration of venom in existence. Just a few milligrams has the capacity to kill thousands of human beings, making this the most poisonous snake in the world. Nonetheless, most Belcher’s Sea Snakes are quite harmless thanks to a docile personality and a lack of venom.