Shark Bites - Series 1: 12. Sixgill Shark

Name: Shark Bites - Series 1: 12. Sixgill Shark
Description: Steve Backshall heads to Canada to learn about the sixgill shark, which has barely changed in 200 million years.

Steve Backshall heads to Canada to learn about the sixgill shark, which has barely changed in 200 million years.