The yellow lipped sea krait (Laticauda colubrina), also known as the banded sea krait or colubrine sea krait, is a species of venomous sea snake.
On average, the total length of a male is 87,5 cm (34.4 in) long, with a 13,0 cm (5.1 in) long tail. Females are significantly larger, with an average total length of 142 cm (56 in) and a tail length of 14,5 cm (5.7 in).
The venom of yellow lipped sea krait, is a very powerful neurotoxic protein.
Yellow lipped sea kraits are semiaquatic. Juveniles stay in water and on adjacent coasts, but adults are able to move further inland and spend half their time on land and half in the ocean.