Almost every day for 40 years, expert diver Jim Abernethy has been swimming with sharks at a patch of shallow crystal-clear ocean in the Bahamas known as Tiger Beach.

At any given moment Jim can be surrounded by 30 or more tiger, reef and lemon sharks. But Jim has a unique relationship with these underwater predators who swim up to him for affectionate nose-rubs.

For more on Jim's life with the sharks, listen to the Outlook podcast.

Producers: Clayton Conn and Mariana Des Forges.

Video by Caitlin Sneddon.

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