Scientists Finally Filmed the World's Oldest Shark. It Broke a Depth Record.

Imagine a creature that swam the oceans when dinosaurs roamed, a genuine "living fossil" with a face only a marine biologist could love. For the first time ever, scientists have filmed the elusive goblin shark alive and well in its natural deep-sea habitat. And it immediately started breaking records.

Until now, every confirmed video of this 125-million-year-old shark came from unfortunate individuals accidentally snagged by fishing lines, usually expiring shortly after being hauled to the surface. Not exactly the best way to get to know someone.

But thanks to some dedicated researchers from the University of Hawai'i at Mānoa and a lucky archival discovery, we now have two healthy goblin sharks on film, chilling in the Central Pacific. One near Jarvis Island, the other along the Tonga Trench. And that second one decided to make a splash.

The Goblin Shark: Deep-Sea Record Breaker

Aaron Judah, lead author and doctoral candidate, called it a "unique honor" to see these creatures thriving. But what truly shocked him was the depth. The shark near the Tonga Trench was spotted almost 700 meters deeper than any goblin shark had ever been seen before. Let that satisfying number sink in.

This isn't just a win for goblins; it's a new depth record for all mackerel sharks – a group that includes the truly terrifying great whites and speedy mako sharks. Suddenly, the goblin shark's known territory, once thought to be limited, just got a whole lot bigger.

The Archival Treasure Hunt

The first sighting, near Jarvis Island, came to light in a delightfully old-school way: Judah was chatting with colleagues in 2025 (yes, 2025, these things take time), who mentioned a possible goblin shark in some archived footage from a 2019 expedition. Judah, understandably "shocked" that the species might be in the Central Pacific, dove into the extensive video archives recorded by the remotely operated vehicle Hercules. And there it was.

The second encounter, in 2024, was a more deliberate affair during an expedition to the Tonga Trench. A baited camera on a bottom lander patiently waited, and sure enough, another goblin shark swam right into frame, minding its own business, oblivious to its newfound celebrity status.

These discoveries, published in the Journal of Fish Biology, highlight something crucial: there's still so much we don't know about our own planet, especially the deep parts. And sometimes, the most exciting discoveries are just waiting in a dusty archive, ready for someone to ask the right question.