WEBVTT 00:00:17.000 --> 00:00:19.976 [Stories from the Sea] 00:00:21.198 --> 00:00:26.174 [Fish Tale My Secret Life as Plankton] 00:00:29.496 --> 00:00:30.814 How did I get here? 00:00:32.506 --> 00:00:35.557 Well, it's a stranger story than you might think. 00:00:37.028 --> 00:00:40.283 I came from a world of drifters, 00:00:40.307 --> 00:00:42.886 a place few humans have ever seen. 00:00:43.979 --> 00:00:45.585 The world of plankton. 00:00:47.491 --> 00:00:52.158 I came from a batch of a million eggs, and only a few of us survived. 00:00:55.092 --> 00:00:58.732 When I became a larva, I moved among other drifters. 00:00:59.472 --> 00:01:04.125 ["Plankton" comes from the Greek "planktos" for wandering] 00:01:08.138 --> 00:01:13.329 My fellow plankton came in all sizes, from tiny algae and bacteria 00:01:13.353 --> 00:01:15.843 to animals longer than a blue whale. 00:01:20.781 --> 00:01:25.374 I shared my nursery with other embryos and juveniles, 00:01:25.398 --> 00:01:29.364 from clams and crabs to sea urchins and anemones. 00:01:32.445 --> 00:01:33.745 (High pitch sound) 00:01:33.769 --> 00:01:37.040 We drifting animals are called zooplankton. 00:01:38.567 --> 00:01:43.045 The most common animals here are copepods and krill. 00:01:43.069 --> 00:01:44.069 (Buzzing) 00:01:46.332 --> 00:01:48.299 You could search the world over, 00:01:48.323 --> 00:01:52.090 but you'd never find a place more diverse than my childhood home. 00:01:53.905 --> 00:01:55.883 A teaspoon of seawater 00:01:55.907 --> 00:01:58.771 can contain more than a million living creatures. 00:02:01.920 --> 00:02:04.914 It can be a pretty tough existence, though. 00:02:04.938 --> 00:02:09.080 Trillions are born here, but only a few make it to adulthood. 00:02:14.048 --> 00:02:16.637 He may be no larger than a pin head, 00:02:16.661 --> 00:02:20.517 but this crab larva is an arrow worm's worst nightmare. 00:02:22.229 --> 00:02:24.980 (Bumping noises) 00:02:32.332 --> 00:02:33.633 (Buzzing) 00:02:35.831 --> 00:02:40.434 Epic battles between carnivores like these are just one way to get food. 00:02:41.754 --> 00:02:46.014 But the real powers of this place come from phytoplankton. 00:02:47.361 --> 00:02:48.567 Single-celled life 00:02:48.591 --> 00:02:51.374 that transforms sunlight and carbon dioxide 00:02:51.398 --> 00:02:52.860 into edible gold. 00:03:00.462 --> 00:03:04.608 Phytoplankton are the base for the largest food web in the world. 00:03:06.983 --> 00:03:08.621 During the night, 00:03:08.645 --> 00:03:11.237 many animals like me would rise up from the depths 00:03:11.261 --> 00:03:14.136 to feed on this sun-powered feast. 00:03:15.056 --> 00:03:16.681 (Maraca sound) 00:03:18.830 --> 00:03:22.732 I was part of the largest daily migration of life on Earth. 00:03:25.197 --> 00:03:26.760 During the day, 00:03:26.784 --> 00:03:30.927 I'd return to the darkness, where I'd join my bizarre companions. 00:03:32.682 --> 00:03:34.205 (High pitch buzz) 00:03:34.229 --> 00:03:35.422 (Flapping noises) 00:03:35.446 --> 00:03:38.560 Cannibals, like this sea butterfly mollusk, 00:03:38.584 --> 00:03:40.261 that eats its next of kin. 00:03:44.983 --> 00:03:46.621 And comb jellies, 00:03:46.645 --> 00:03:49.864 that beat cilia like rainbowed eyelashes. 00:03:55.907 --> 00:03:58.752 Some of these snare their prey with sticky tentacles, 00:03:59.834 --> 00:04:03.192 while others just take a bite out of their cousins. 00:04:05.245 --> 00:04:06.729 And siphonophores 00:04:06.753 --> 00:04:09.341 that catch prey with toxic fishing lures. 00:04:15.246 --> 00:04:19.024 But my favorite would have to be the crustacean Phronima. 00:04:20.276 --> 00:04:23.568 Its monstrous looks inspired the movie "Aliens." 00:04:25.215 --> 00:04:28.052 It can catch tiny bits in its bristles, 00:04:28.076 --> 00:04:30.765 but prefers larger prey like salps. 00:04:34.553 --> 00:04:38.983 With two sets of eyes, this female prowls the deeper water. 00:04:41.307 --> 00:04:43.114 Prey in hand, 00:04:43.138 --> 00:04:45.796 she performs one of the strangest behaviors 00:04:45.820 --> 00:04:47.558 in the entire animal kingdom. 00:04:50.908 --> 00:04:53.298 With body parts from her victims, 00:04:53.322 --> 00:04:56.914 she delicately assembles a barrel-like home 00:04:56.938 --> 00:05:00.651 feeding her young until they can drift off and survive on their own. 00:05:04.722 --> 00:05:09.861 Best of all, they make the perfect snack for a small fish like me. 00:05:12.785 --> 00:05:14.822 Here among the plankton, 00:05:14.846 --> 00:05:18.421 the food web is so tangled and complex, 00:05:18.445 --> 00:05:21.429 even scientists don't know who eats whom. 00:05:23.900 --> 00:05:25.233 But I do. 00:05:28.938 --> 00:05:31.794 At least now you know a bit of my story. 00:05:32.784 --> 00:05:35.917 There's so much more to me than just a tasty meal.