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Deep Sea 3D
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These are not visitors |
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Nor are they science fiction. |
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They are real. |
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Creatures of our own world. |
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And their destiny ... |
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is linked to ours. |
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Coral mountains rise more than half a |
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They were built, inch by inch, |
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by billions of coral animals. |
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But the animals didn't do it alone. |
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Tiny plants living |
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capture energy from the |
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Neither plant nor coral ... |
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can survive without the other. |
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And that's the key: |
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The whole reef community |
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Little fish live here. |
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And big fish eat little fish. |
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He's a 100-pound black grouper. |
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And he's always hungry. |
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But for the community |
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the prey needs a fair |
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And nature provides some ingenious |
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Take the frogfish. |
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He hides from predators |
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In his disguise ... |
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the frogfish can sit back |
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with a fishing pole |
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Glassy minnows. |
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Like quicksilver. |
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That black grouper on the ledge |
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The shimmering school |
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It's very hard for the grouper |
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And he often fails. |
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There's more diversity here |
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And every single citizen, |
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to the ferocious tiger shark, |
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The balance between predator |
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But the community stays |
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because there are so many different |
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Sometimes ... |
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even the coral itself is prey. |
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The crown-of-thorns sea star. |
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He eats coral. |
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Too many of these could |
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The triton trumpet snail |
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Although the snail |
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it can smell the sea star's trail. |
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Those nasty thorns |
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But the snail is immune. |
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- What's that? |
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And he'll use it to drill through |
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Then he'll inject a venom ... |
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that will dissolve the sea star |
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So the triton trumpet snail |
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And that helps keep the |
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Even different species |
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often help each other. |
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This is a cleaning station. |
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A sort of a dermatology clinic. |
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The spotted coney is the patient. |
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The little cleaner gobies |
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removing and eating parasites. |
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Both species benefit. |
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It's called symbiosis. |
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Another cleaning station. |
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Away from this spot ... |
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the barracuda might swallow the |
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When he's being cleaned, the |
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The cleaning station is a sanctuary. |
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Green sea turtles love coming to |
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It's sort of an undersea spa. |
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Amazingly, it's only the |
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But even coming from miles away ... |
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they somehow manage |
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When algae accumulates on their shells, |
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But the reef fish give |
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In exchange, the turtles give the |
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Some don't even wait their turn. |
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They swoop in close to other |
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With her shell |
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she now returns to her migrations ... |
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which may take her |
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through the trackless open sea ... |
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where jellyfish drift |
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That pulsing is how it swims. |
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Each pulse also forces |
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where they are stunned |
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Thousands of different species |
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like sailors in a gale. |
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Most are solitary travelers. |
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But moon jellies sometimes swarm |
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They know not what |
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A monster jellyfish ensnares |
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that can stretch more |
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The stinging filaments slowly drag |
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where they will be |
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For some mysterious reason ... |
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it's called the |
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Ocean currents can sweep |
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away from California's Channel |
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The drifting kelp rafts are |
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for one of the strangest |
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It's called a Mola mola. |
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This one's about 5 feet across. |
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But he can grow to |
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mostly on a gossamer |
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But Molas don't |
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They come here to be cleaned |
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It's a cleaning station |
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Looks like this time, |
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Currents are as vital to life under- |
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Along the North Pacific Coast ... |
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they sweep nutrients up from the depths |
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The basket star has |
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and opens serpentine arms |
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Barnacles are feasting too. |
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They stick out their furry |
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The translucent creatures |
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are called nudibranchs. |
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They come in a thousand varieties. |
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They're close relatives |
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but much more beautiful. |
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These are hooded nudibranchs. |
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They use their hoods |
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then slowly squeeze out all |
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The hairy arms of feather stars |
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But in a pinch ... |
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they're even better |
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The marauder is a sun star ... |
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and it will eat a feather star |
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But it much prefers to dine |
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especially sea scallops. |
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Did that one bite back? |
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What an intriguing landscape. |
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It's home to one of the oddest relationships |
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It's actually a forest of |
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They protect themselves with stinging |
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But there's a predator |
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It's a rainbow nudibranch. |
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And he's a thief. |
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He eats tube anemone tentacles. |
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But he doesn't digest |
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Instead, he'll pass them on into |
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where they continue to live. |
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So now the stolen |
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The sun star is back ... |
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and he'll devour a nudibranch, |
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But like any good thief ... |
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the nudibranch has a getaway plan. |
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The Irish lord. |
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He can hide from his enemies |
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It's not so easy |
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But he has great defenses: |
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Sharp pincers and a rock-hard shell. |
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The Irish lord may have bitten |
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Before he can swallow his dinner ... |
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the crab will have to release |
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And now, a rare close-up look ... |
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at the domestic life of the |
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He's only 10 inches long ... |
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but he's much stronger than he looks. |
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He's gathering mussels for dinner. |
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He's got incredibly powerful claws. |
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In fact, those claws are as fast |
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That makes him the most powerful |
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He's using his claw like a hammer |
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Now he's off to grab some more. |
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Here comes trouble. |
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He won't be safe in his burrow. |
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If he's cornered there ... |
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the octopus can inject a |
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Something tells me he won't |
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His display is a warning: |
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"Don't mess with me." |
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If the octopus still doesn't |
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maybe a shot to the chops |
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A thousand miles north, in the |
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lives an octopus that is |
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The giant Pacific octopus. |
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This one weighs about 50 pounds ... |
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but he may grow up to |
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with tentacles that could stretch |
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He's a master of disguise. |
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As he moves, he changes both |
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to match his surroundings. |
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This octopus is on the hunt. |
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And his favorite food is crab. |
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His eyesight is only fair ... |
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but the lightest brush against |
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He extracts every morsel of crabmeat ... |
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then ejects the remains. |
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In the kelp forest, there is |
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between predator and prey. |
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But dramatic shifts can cause |
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For instance, sea urchins eat kelp. |
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But if the urchin population |
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Once again, there are animals |
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One of them is the wolf eel. |
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Certainly a face only |
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Though he looks like an ogre ... |
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he's important to |
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Wolf eels eat sea urchins. |
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And there's supper. |
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So as the wolf eel dines on urchins, |
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Just as the triton trumpet snail |
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Night falls ... |
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and with it, begins the |
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Attracted by moonlight ... |
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vast swarms of plankton |
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And following right behind them ... |
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the night hunters: |
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Giant manta rays. |
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They can span 18 feet, |
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They feed only on plankton ... |
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scooping up millions of |
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No ocean predator is more graceful. |
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In the Sea of Cortes ... |
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nocturnal fish come up |
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And rising to feed on them ... |
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the creatures of your nightmares: |
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Humboldt squid. |
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Some are more than 6 feet long |
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They change their color |
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Maybe it's excitement. |
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Or maybe it's a threat. |
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Maybe even rage. |
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They'll attack almost anything. |
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Sharks, humans ... |
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even each other. |
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A shipwreck lies on the ocean |
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It's a desert here, |
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Now the wreck itself |
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a shelter for these little fish. |
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And some not so little. |
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The sand tiger shark. |
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They like to hunt here. |
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But there's a surprising bond between |
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Instead of hiding from the shark, |
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using him as protection from |
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So the sharks provide another kind |
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as they travel from wreck to wreck |
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Between lemon sharks and remoras ... |
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it's easy to see who benefits. |
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By hitching a ride on the shark, the |
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We're not used to thinking of |
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It may not be obvious ... |
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but the coral reef owes its very survival |
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They're part of the balance. |
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We know the balance |
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but now it's falling apart. |
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In the last 50 years ... |
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90 percent of all the big fish |
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We are taking more |
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We now know that the killing of sharks |
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Overfishing is decimating |
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Entire ecosystems ... |
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have begun to unravel. |
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But every year, eight nights |
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something miraculous happens. |
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Tonight, in the Gulf of Mexico, |
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the entire coral reef will spawn. |
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Precisely one hour after sunset ... |
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coral polyps begin jetting |
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Brain corals begin releasing |
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Then star corals. |
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How is it that millions |
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from all these corals ... |
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choose this single moment, |
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to spawn? |
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How do animals that |
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or brains to think ... |
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coordinate this event |
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That remains a mystery. |
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These drifting galaxies are |
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Most will be lost in the depths ... |
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but with luck, a few |
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will settle somewhere far away ... |
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and give birth to new reefs. |
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And new life. |
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Not so long ago ... |
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we knew almost nothing about the |
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Now we are beginning to |
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This young right whale is as |
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At last, we're beginning to learn ... |
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how important all species |
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above and below the surface. |
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And it's clear that |
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is linked to theirs. |
