sea snake in seaweed closeup. poisonous krait sea snake with black and white stripes. tropical seashore underwater photo

animal aquatic background black blue closeup color coral danger dangerous diver diving environment exotic krait life marine nature nautical ocean oceanic poison poisonous reef reptile scuba sea seabottom seashore seaweed shallow shore snake snorkeling stone striped swim threat tourist travel tropic tropical under undersea underwater vacation water white wild wildlife