Sea snakes have some of the most toxic venom in the world. So you may not think, "let's hunt them in the dark with absolutely no protection". But, thanks to ancient fishing techniques passed down through the generations, that's exactly what Yoko and Setsuko do. Subscribe: bit.ly/BBCEarthSub #BBCEarth #VenmousSnake #BareHands Watch more: Planet Earth bit.ly/PlanetEarthPlaylist Blue Planet bit.ly/BluePlanetPlaylist Planet Earth II bit.ly/PlanetEarthIIPlaylist Planet Dinosaur bit.ly/PlanetDinosaurPlaylist Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of entertaining and thought-provoking natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this. This is a commercial page from BBC Studios. Service information and feedback: bbcworldwide.com/vod-feedback--contact-details.aspx