Ocean engineer and National Geographic Explorer Brennan Phillips and his team surveyed underwater volcano Kavachi, located near the Solomon Islands. They encountered a surprising amount of sea life, including the rarely filmed Pacific sleeper shark. Phillips believes the high-definition images of this elusive shark represent only the third—and maybe the best—video of the shark ever made. Click here to read more about this rare discovery: http://news.nationalgeographic.com/2015/07/150707-pacific-sleeper-sharks-solomon-islands-ocean-animals-science/ The National Geographic Society/Waitt Grants Program supported the expedition. Click here to learn more: http://www.nationalgeographic.com/explorers/grants-programs/waitt-grants/ VIDEOGRAPHERS: Alex Deciccio and Corey Howell DROPCAM FOOTAGE: NG Remote Imaging SENIOR PRODUCER: Jeff Hertrick ASSOCIATE PRODUCER: Carolyn Barnwell EDITOR: Jennifer Murphy