Feiger loves the Arctic Ocean.

The German has been living in Norway's high north for 12 years.

He takes tourists to see the sights along the coast near the Russian border.

He brings up one of those sites from the bottom of the sea for this tour group.

He only set out the traps the day before at a depth of 180 m.

Yeah, but one day was long enough for him to now Harlock dozens of king crabs, a delicacy all around the world.

Yet the crabs are also a growing ecological problem.

The crustaceans multiply like rabbits jump in the water.

You get eaten from the crabs.

We have crabs.

Wherever you are.

He's allowed to catch way need only from the front of the back.

15 centimeters.

Harvesting the king crabs has brought an unheard of prosperity to Norway's economically constrained high north, including for the remote fishing village off GOOG minus.

In 1989 residents ran an advertisement offering their village for sale.

Young people were moving away because there was no work.

Now the village has been revived, complete with bed and breakfasts, and even and be strong on.

It's all thanks to none other than the King crab fishermen.

Life English was among the first to discover the non native species off book minus.

Soviet researchers had released them in the Barents Sea in the 19 fifties, but England was unaware of that when he found the monster crab in his nets one day.

Call me first crabs.

We caught way 10 to 12 kg.

We were taken completely by surprise.

But if the crabs hadn't turned up way, wouldn't have any fish processing in town now, nor any fishing boats or at most two or three.

But today way have 15 or 16 boats, pumpkin face and body.

The explosive spread of the king crab is a boon to the fishermen, But the Norwegian environmentalists and scientists are alarmed.

The voracious eaters air being spotted farther and farther south.

They're expected to reach the coast of Scotland soon.

Way found that the crabs are able to adapt to water temperatures of 18 degrees Celsius.

That means they could survive in the Mediterranean.

Wherever these crabs become established, they have devastating effects on the other marine life.

On the sea bed, some species, like mussels, starfish, have disappeared completely three.

King crab is also known as the monster crab.

It has no natural enemies on poses, a threat toe, every other living thing on the seabed we have.

So fisheries authorities have made the quotas generous on tourists aren't the only ones glad of that way.

Have the right to catch 10 crabs for our own use for free per person per year.

One crab is worth 900 kroner or 90 euros, right in our pockets, multiplied by 10.

And you know, for 1000 euros you're eating a luxury delicacy for free.

What?

Dirk Hyg Vegas serves his guest after only a short time in the kitchen.

Otherwise, behind Onley in Europe's and Asia's finest restaurants, Norway exports over 2000 tons of king crab all around the world annually.

While environmental concerns about invasive species continue the tourists saver, it's spicy meat on the Norwegian authorities hope the high fishing quotas will help keep the crab population under control.

The people of northern Norway, meanwhile, hope this lucrative source of income will last a while longer.