Sign up for free

Newsletters

Once a month
get new photos
and expert tips.

Photography
Main Photo Galleries Wallpapers Photo of the Day Photographers Photo Tips Buy Prints

Shark and Bubbles

A sensitive nose serves a silky shark (Carcharhinus falciformis) as it hunts for prey in the waters off southern Cuba. Electromagnetic sensors marked by pits on its snout help it detect even the slightest muscular movement in its prey, down to a heartbeat.

Photograph by David Doubilet