High quality footage of a large sea snake making its way from deep water to the surface off the coast of Thailand. <br /><br />The filmer later wrote online: "Like all reptiles, sea snakes have lungs and need to come to the surface to breath. <br /><br />"Reptiles are capable of holding their breath for long periods of time in the ocean." <br /><br />"This particular snake is highly venomous, with enough venom to easily kill a man; "however mostly docile on the reef, " he continued.