Ular laut adalah jenis ular yang paling berbisa di Dunia ini bahkan bisanya lebih mematikan dibandingkan ular darat yang paling berbisa, seperti ular kobra, bisa ular laut bisa mematikan 100-1000 kali suntikan,
Snakes in the sea will choose to avoid human movement, and will attack if their position is very threatened and disturbed, for example being trampled, but although sea snakes rarely attack humans compared to land snakes, we must remain vigilant and careful when at sea, because of their species. sea snakes will be difficult to see. However, if we get to the condition when we are bitten by the most venomous belcher sea snake, what needs to be done is calm and not panic, reduce movement because moving will accelerate the process of spreading poison to the body, asking for help from people around to perform simple immobilization, a actions taken such as squinting with a body wood so that it is completely immobile, as is done in a patient with a broken bone, after immobilization is done as quickly as asking to be rushed to the hospital to be given an antidote.