Please turn on JavaScript. Media requires JavaScript to play.
The "deepest ever" living fish have been discovered, scientists believe.
A UK-Japan team found the 17-strong shoal at depths of 7.7km (4.8 miles) in the Japan Trench in the Pacific - and captured the deep sea fish on film.
What are these?
E-mail this to a friend
Bookmark with:
What are these?
E-mail this to a friend