. >>> hammish clark is a free diver, on a boat with his buddies. he says after this experience he won't be free-diving in the water -- >> whoa. >> ever again? >> for the next few weeks. in this area. >> that's a great white shark and -- here's his reaction. >> oh! >> yeah. poke a stick at it. >> you're going to need a bigger stick, mate. >> better watch out. >> it looks like an adolescent. when there's a smaller one. there are more likely bigger ones. >> and it's an adolescent that could still chomp off your entire foot. >> it could use you as an appetizer or a snack. but it didn't, it was just like chill. what's going on, they got a little excited. >> and the next video, manatees, absolutely beautiful. looks like a mom and -- >> a sea cow. >> and a baby. >> watch when it turns around, you get all close. >>> that's a nice diving location that they're at. it's got really nice animals. really cool fauna down there. really cool reef. >> hey christianne likes to scuba-d scuba-dive. >> maybe they like jimi hendrix. maybe they like bob marley. he's got b