Among the fisheries with the most inefficient edible protein return on investment, vessels targeting shrimp, tuna and swordfish are at the top of the list.

And so, there's a game of predator prey that's going to be, essentially, universal, really, in any kind of biological system.

This is a Dionaea, a Venus fly trap hunting snails sorry for the snail.

Bee eaters eat bees. This one has a nice blue cheek.

Is it prey? Is it predator? Is it mate?

Is it a dangerous predator, or is it just the wind?

There's another top predator in the ocean, it turns out.

They use it for finding food, for attracting mates, for defending against predators.

That top predator, of course, is us.

The fly is going to sense this predator.

This blinds or distracts the predator.

I didn't want to go with this ruthless predator image.

There's a fourth rule when a predator's coming, get out of the way.

This is called fishing down the food chain.

And that predator is the giant ocean sunfish, the Mola mola, whose primary prey are jellyfish.

Well, it uses it to defend itself from its predators.

Now, all this changes when a predator enters the scene.

You know, the one that's been snatching all those goats down in Kiunga.

They feed on other little things. They feed on mosquito larvae.

They have sex. They hide from predators.

Scytodes doesn't use a web at all to catch prey.

The reason that the electronic jellyfish worked as a lure is not because giant squid eat jellyfish, but it's because this jellyfish only resorts to producing this light when it's being chewed on by a predator and its only hope for escape may be to attract the attention of a larger predator that will attack its attacker and thereby afford it an opportunity for escape.

The Armillaria is actually a predatory fungus, killing certain species of trees in the forest.

Here on the model you see the predator attacking.

He lives on a diet of nitroglycerin and Trendex ratings.

But the small animals that eat insects are being eaten by larger animals, still larger animals.

Whenever he eats the pit viper he gets this little venom rush.

Babies left to die in ditches, the poor preying on the poor.

'Strong predation on a massive, heavily armored dinosaur illustrates just how dangerous the dinosaur predators of the Cretaceous must have been,' said Brown.

I doubt anyone has seen a giant bluefin feed.

Regions exist where the biggest food production of women is that of catching shellfish and octopus.

In the Pacific, the biomass of large predatory fish caught by longline fishing, for example, has declined by 90 percent since 1950.

(e) Improving the efficiency of the distribution of food aid.

By comparison, it is relatively fuel efficient to target deep sea species such as menhaden and mackerel, most of which are ground up into meal or used for oil for unsustainable fish farms.

So what we can see on this moving ocean is we can finally see where the predators are.

Because they evolved for the same reason to survive predation.

The rate was higher in urban areas, where there were three users for every one in rural areas. Bazuco

And so the death rate not to mention the rate of being arrested, sent to prison, being wounded the death rate in our sample was seven percent per person per year.

Syria conducted a comparative study of photographs of Resafe's northern gate.

They could outsource all their problems protection from predators, food finding, health maintenance.

Because in her world, you're either breeding or you're eating and I'm not breeding, so ...

Also, the rate of new arrests has significantly decreased compared to 1997.

But it's a lion of the sea. It's a top predator.

There's that raptorial appendage there's the heel, and it's going to swing around and hit the load cell.

And the reason was because of overfishing, and the fact that a last common grazer, a sea urchin, died.