There's only 8,000 basking shark females in the world?

You can't really see, but these are Norwegian basking shark hunting vessels.

If you're more interested, we have a basking shark website now set up.

If you're more interested, we have a basking shark website now just set up.

Probably the best documented basking shark fishery in the world is that from Achill Island.

Probably the best documented basking shark fishery in the world is that from Achill Island.

A third of the size of the basking shark is their liver, and it's full of oil.

The largest predator in Norwegian waters is the sperm whale, and the largest fish is the basking shark.

The black, you can't really see this, but these are Norwegian basking shark hunting vessels, and the black line in the crow's nest signifies this is a shark vessel rather than a whaling vessel.

They amplified it and they tested it, and they found, yes, this was actually basking shark DNA, which was got from the slime.

And they amplified it and they tested it and they found, yes, this was actually basking shark DNA, which was got from the slime.

And being able to tell the gender of a shark has got very important for things like policing the trade in basking shark and other species through societies, because it is illegal to trade any sharks.

Being able to tell the gender of a shark is very important for things like policing the trade in basking shark and other species through the sightings, because it is illegal to trade in these sharks.

Basking sharks are awesome creatures.

Shark! ...

Shark! ..

Shark proximity

A shark?

The shark.

Pool shark!

Man Bites Shark

Simon's Shark Slime.

Preparation Genuine shark fin soup or stew is made with shark fins obtained from any of a variety of shark species.

I used to spend a lot of time on commercial fishing boats, and I remember fishermen saying they can tell when a basking shark has been caught in a net, because it leaves a black slime behind.

Let's go. A shark.

More than the shark?

A real pool shark.

Larger sharks, such as the tiger shark and great white shark, may attack them.

Basking sharks are awesome creatures. They are just magnificent.

Sunfish is one of the words for basking sharks.

They're the second largest fish in the world, they're almost extinct, and we know almost nothing about them. At TEDxDublin, Simon Berrow describes the fascinating basking shark , and the exceptional and wonderfully low tech ways he's learning enough to save them.

If you look at nucleotide diversity, which is more genetics that are passed on through parents, you can see that basking sharks, if you look at the first study, was an order of magnitude less diversity than other shark species.

But if you look at nucleotide diversity, which is more genetics that are passed on through the parents, you see that basking sharks, if you look at the first study, was order of magnitude less diverse even than other shark species.

He's a great white shark.

Sherman's up in shark heaven.

And sunfish is one of the words for basking sharks.

We can save the white shark.

We didn't see a single shark.

Tiburón, the waiter said. A shark.

I wonder where this shark went.

Why, you're a pool shark, boy.

In 2011, U.S. President Barack Obama signed the Shark Conservation Act, closing loopholes used to obtain shark fins.

I brought along a shark cage here, and my friend, shark biologist Wes Pratt is inside the cage.

It includes some of the most familiar species of sharks, such as the great white shark, as well as more unusual representatives, such as the goblin shark and the megamouth shark.

There's great concern that basking sharks are depleted all throughout the world.