The Oldest Shark Species Still Alive Today

POV Travel
Jul 1
7 min read

Updated: 5 days ago

Somewhere in the cold black water beneath the Arctic ice, a shark is moving slowly through the dark. It is in no hurry. It has never been in a hurry.

This animal may have been alive when Isaac Newton was writing about gravity. It may have been born before the first factory chimney ever rose over Europe.

It is a Greenland shark. It could be approaching four hundred years old.

Sharks have a way of bending our sense of time. Partly because individuals like this one can outlive a dozen human generations. Partly because the shark itself, as a kind of animal, is almost unimaginably ancient. Sharks swam these oceans before the dinosaurs walked. They were here before the first trees grew. They have watched the world remake itself again and again, surviving every catastrophe that erased so much else.

So to ask which shark is the oldest is really to ask two very different questions.

The oldest shark species still alive today

Quick Answer

It depends entirely on what you mean by oldest.

If you mean the longest living individual animal, the answer is the Greenland shark, the longest lived vertebrate known to science, an animal capable of surviving for several centuries.

If you mean the most ancient kind of shark, the title belongs to a handful of living fossils. Creatures such as the frilled shark, the goblin shark, the cow sharks, whose body plans have scarcely changed in tens of millions of years.

And sharks as a group are older still, a line that stretches back more than four hundred million years.

Older than the dinosaurs, older than trees

Begin with the deepest perspective of all.

The ancestors of modern sharks were already swimming the oceans more than four hundred million years ago. To grasp that number is almost impossible. It means sharks predate the dinosaurs by a vast stretch of time. It means they existed before the first forests covered the land. They are older than the rings of Saturn, by some estimates, older than nearly anything we think of as ancient.

In that immense span, sharks have lived through every mass extinction the planet has suffered. The catastrophe that ended the dinosaurs. The far greater dying that nearly emptied the oceans long before. Time after time the world was remade, alongside terrible loss. Time after time, sharks endured.

No other group of large predators comes close to this record. The shark is not merely old. It is one of the great survivors in the entire history of life.

The living fossils

Within this ancient family, a few sharks stand out as windows into the distant past. Scientists sometimes call them living fossils, animals whose form has changed remarkably little across enormous spans of time.

The frilled shark is among the strangest. Long, slender, eel like, it lives in deep water far from human eyes. Its rows of needle teeth, its primitive body, its very shape recall sharks from a world long vanished. To look at one is to glimpse the deep past swimming towards you.

The goblin shark is stranger still. A pale, almost ghostly creature of the deep, it possesses a long flattened snout alongside a jaw that can shoot forwards to seize prey. It is the only surviving member of a family that reaches back well over one hundred million years, the last of an ancient line.

Then come the cow sharks. Most sharks alive today carry five gill slits on each side. These animals have six or seven, a feature shared with their fossil ancestors. The sixgill alongside the sevengill sharks represent some of the oldest body plans still swimming, little changed since a time before the dinosaurs disappeared.

Each of these is a survivor of a design so successful it never needed to change.

The shark that outlives empires

Now to the longevity champion, the animal that opened this story.

The Greenland shark is a creature of the cold and the dark, found in the deep frigid waters of the North Atlantic and the Arctic. It grows with almost unbelievable slowness, perhaps a single centimetre a year. It moves at a gentle, unhurried pace through water close to freezing.

For a long time no one knew how old these sharks could become. Then researchers found a way to read their age, by dating proteins locked inside the lens of the eye, tissue that forms before birth and never changes.

The results stunned the scientific world.

The largest Greenland sharks studied were estimated to be at least two hundred and seventy years old. Some calculations pushed the possible figure far higher, towards four hundred years or even beyond. It made the Greenland shark the longest lived vertebrate ever recorded.

The detail that lingers is this. These sharks may not even begin to reproduce until they are around one hundred and fifty years old. An animal swimming in the Arctic today might not reach the age of parenthood until the people who first measured it are long gone.

Why ancient designs survive

It is tempting to call these old sharks primitive. The word does them a disservice.

A design that has lasted hundreds of millions of years is not crude. It is perfected. Evolution kept it precisely because nothing better came along to replace it. The shark's basic plan, the streamlined body, the cartilage skeleton, the extraordinary senses, the relentless efficiency, has proven almost impossible to improve upon.

This is the lesson hidden in the oldest sharks. Age, in nature, is not a sign of failure. It is the highest possible mark of success. To remain almost unchanged across such depths of time is to have found an answer so good the question stopped being asked.

The shark did not survive four hundred million years by being simple. It survived by being superb.

The hidden cost of a long life

There is, however, a shadow over all of this.

The very traits that make these sharks so remarkable also make them desperately vulnerable. An animal that grows slowly, matures late, reproduces rarely, lives at a pace measured in centuries, cannot bounce back quickly from harm.

Consider the Greenland shark again. A species that takes a century and a half to reach maturity has almost no capacity to recover if its numbers fall. Kill the adults faster than new ones can take their place, which takes lifetimes, and the population simply cannot replenish itself.

The same is true across many of the most ancient sharks. Slow, deep dwelling, long lived, they evolved in a world without industrial fishing. They are poorly equipped to withstand it.

The animals that have survived every natural catastrophe in Earth's history now face a threat their long history never prepared them for. Us.

Where these ancient sharks live

A gentle word of honesty for the curious traveller. You are unlikely to meet most of these animals in the wild.

The frilled shark alongside the goblin shark haunt the deep ocean, hundreds of metres down, far beyond the reach of a snorkeller. The Greenland shark drifts through cold Arctic depths most people will never visit. These are not the gentle giants of a warm summer aggregation. They belong to the hidden, lightless parts of the sea.

That distance is part of their mystique. They remain elusive precisely because they live where we so rarely go, guardians of a deep world we have barely begun to explore.

Occasionally one rises into view, a cow shark in cooler coastal water, a deep dweller caught on camera by a research submersible. Each sighting feels like a message from another age.

Why this matters

There is a particular kind of wonder in standing close to deep time.

A Greenland shark alive today carries the years inside it the way a tree carries its rings. It was here through wars, revolutions, the rise of everything we call modern. The cow sharks, the goblin, the frilled shark carry something even older, the memory of a design forged before our world took its present shape.

To understand this is to feel our own brief moment differently. The shark has outlasted empires, ice ages, the slow drift of continents. Treating such an animal carelessly, after all it has survived, would be a peculiar kind of arrogance.

These ancient creatures ask us to think in longer time. That, in the end, may be the most valuable thing they have to teach.

How POV Travel sees this

We are a company fascinated by deep time. By ancient sites raised before written history. By rock art carved when the Sahara still ran green. By the long, patient story of life on this planet.

The oldest sharks belong to exactly this story.

On our marine expeditions we share their history alongside the living animals travellers can actually meet. The point is not to glimpse a four hundred year old shark, which almost no one will. The point is to understand that the ocean holds creatures of astonishing age, that the animal gliding past you belongs to one of the oldest, most successful lineages ever to exist.

That understanding changes the encounter entirely. You are not simply watching a fish. You are meeting deep time itself.

Frequently Asked Questions

What is the oldest shark ever recorded?

A Greenland shark, estimated through scientific dating to be at least two hundred and seventy years old, with some individuals possibly far older. It is the longest lived vertebrate known.

Which shark species is the most ancient?

Several deep water sharks are considered living fossils, including the frilled shark, the goblin shark, the cow sharks, whose forms have changed little over tens of millions of years.

How old are sharks as a group?

The ancestors of modern sharks date back more than four hundred million years, predating the dinosaurs alongside the first trees.

How can scientists tell how old a shark is?

For the Greenland shark, researchers date proteins in the lens of the eye, tissue that forms before birth. Other species can sometimes be aged using growth bands in their tissues.

Why are old shark species so vulnerable?

Because they tend to grow slowly, mature late, reproduce rarely. Populations recover extremely slowly from any loss, leaving them poorly able to withstand modern fishing pressure.

Meet them on their terms

A shark on a screen is a monster. A shark three metres away, moving with impossible grace and completely uninterested in you, is a revelation that quietly dismantles everything you were told to fear. From the blacktips of Aliwal Shoal to the great feeding events where sharks, dolphins, whales and diving gannets converge at once, we take you into the water to see the ocean's most misunderstood animals as they really are.

Explore the expeditions: Swim With Sharks & Marine Life →