Cannibal Sharks: Shark vs. Shark

Cannibal Sharks: Shark vs. Shark

Whether on the hook or in utero, sharks eat their own and scientists from Australia to Florida use the latest tagging and tracking measures to understand why.

5:00 PM on National Geographic Canada

Select your lineup for TV local listings

Cannibal Sharks: Shark vs. Shark

Whether on the hook or in utero, sharks eat their own and scientists from Australia to Florida use the latest tagging and tracking measures to understand why.

8:00 PM on National Geographic Canada

Select your lineup for TV local listings