Despite being extremely venomous sea snakes are susceptible to attack from several predators such as sharks, large bony fishes, and even birds.

Do Japanese eat sea snakes?

At 70 years old, they've been hunting poisonous sea snakes at night for over 40 years. ... The snakes are Black-banded sea krait, known as irabu in Japanese. Though the snakes' venom can be 10 times more powerful than rattlesnake venom, the locals serve irabu smoked and as a soup.

Do sharks eat sea snake?

Sea snakes are common prey for tiger sharks in Shark Bay despite being among the most venomous snakes on earth. Tiger sharks are not affected by this venom when they eat the snake.