Sharks 3D

00:00:36 NARRATOR: The oceans, vast, varied, beautiful

00:01:33 including our lives.

00:02:43 being as they occasionally dine on my closest friends

00:03:30 Sand tiger sharks, like this one, can grow up to 12 feet in length.

00:04:42 Every yean pregnant sand tiger sharks, like the one you see here

00:05:24 But I'm not pushing it.

00:06:14 That gives them a big responsibility

00:06:59 They have a sixth sense, which scientists don't know much about.

00:08:45 Hmm, maybe the reality of relationships down here is not as simple as you'd think.

00:10:10 And third... Oh, ask tournaments.

00:12:17 No, it's not a bird.

00:13:30 Don't worry, though, they're harmless towards humans.

00:16:21 Their flat head and body are characteristics of a fish living at the bottom of the sea

00:18:01 They can pivot, duck and dive. And they are relatively comfortable on land.

00:21:09 but this sea lion doesn't seem too impressed.

00:21:49 tulles.

00:25:01 But, sure enough, you know a hammerhead when you see one.

00:27:35 I love catching up on the latest turtle-talk.

00:28:10 Sometimes the mating gets so violent that the females die in the process.

00:31:15 that eats other sharks.

00:32:10 But check out what's happening here. The baby dolphin has attracted the sharks.

00:34:18 Sometimes I feel a bit safer down here.

00:37:56 For 400 million years, Sharks have Survived enormous environmental Changes

00:38:38 save our sharks.