Image of the Day: Lighting Up the Sea

The Hawaiian bobtail squid (Euprymna scolopes) is a nocturnal predator with a light organ full of bioluminescent bacteria attached to an ink sac, which the animal uses to control the amount of light it releases.

The Scientist Staff
Mar 21, 2017

WELLCOME IMAGES/MACROSCOPIC SOLUTIONS/MARK R. SMITH