? The man who ruined the reputation of sharks everywhere. One man who appears to be a shark whisperer is trying to change that. He dives into the middle of a Sha sharknado and said the serious... See More
? The man who ruined the reputation of sharks everywhere. One man who appears to be a shark whisperer is trying to change that. He dives into the middle of a Sha sharknado and said the serious creatures looking for love. Reporter: We head out to the shark Mecca of the Bahamas for a rendezvous with Jim Abernathy who thinks they can be friends not foes. Bait is tossed overboard to cause his friends to begin to circle. Abernathy has an unusual theory about these predators of the deep. They are docile and can easily been trained. He calls them pets. Sharks like affection, because they come back for it like a dog, or a cat. In particular, there's a 14-foot wild tiger shark, he's named Emma. Do you think you have a relationship with Emma? I think so, but I don't expect other people to think that. For nine years, Abernathy has been lovingly saving sharks from hooks, parasite, and occasionally ropes. But Abernathy isn't naive about the animals. If a big shark makes a mistake and bites you. Chances are you'll bleed to death in the boat. Statistically, you're more likely to die from a falling coconut. 40 feet down it's a whirlwind of sharks. Abernathy swims to the center with me in tow. Wow. Suddenly we're surrounded by giant tiger sharks and there, as if on cue -- Hello, Emma. Emma, the big one there spots a friend. Reporter: Certainly, anybody with a dog or a cat, realizes that their dog or cat knows them without a doubt. These are my doings and cats. Matt cutman, ABC news, the Bahamas. I'm not buying those are his dogs and cats. It's an amazing story. There's much more tonight on "Nightline prime." It's a great show. Be sure to tune in on this Saturday night. I have chills just watching that. Coming up on "Good morning
This transcript has been automatically generated and may not be 100% accurate.