Hidden Depths: Antarctic krill startle deep-ocean scientists

Biologists looked into the abyss and the abyss looked back, with lots of little compound krill eyes.

KRILL ZONE. This female krill, full of eggs, from the surface waters of the Southern Ocean belongs to the same species glimpsed 3,000 meters down, researchers say. British Antarctic Survey

The shrimplike Antarctic krill, a major player in polar ecosystems, is supposedly a creature of the upper ocean.