In a new BBC series, Kate Humble sets sail on a 2,000-mile adventure across the Pacific with a team of top natural history filmmakers and deep-water marine biologists.
During the making of the programme, the team discovered several new fish species. In this clip, Richard Pyle, John Earle and Brian Greene describes some of their finds.
Pacific Abyss starts its three-part run on Sunday, 17 August, on BBC One, at 2000 BST
Bookmark with:
What are these?
E-mail this to a friend