This photo is from Underwater Creatures Photos
Photo: Shark and bubbles

Shark and Bubbles

Photograph by David Doubilet

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.

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