Search
Nearly all of the studied deepwater sharks ate what appears to be the hamburger of the sea: hoki. | Matthew Dunn/National Institute of Water and Atmospheric Research Ltd.
Animals

Deepwater Shark Diets Include Other Sharks

These sharks' diets had long been a mystery, but DNA sequencing is shedding light on how they survive in their deepwater world.

March 7, 2012
3:00 AM EST