A stunning deep-sea encounter has reignited curiosity about Earth’s most mysterious creatures. In newly resurfaced footage, an OceanX submarine comes face-to-face with a rare deep-sea creature—the bluntnose sixgill shark. This ancient predator has remained nearly unchanged for over 200 million years, surviving mass extinctions that wiped out the dinosaurs.
The massive shark appears from the shadows, drawn to the sub’s lights. It moves slowly, almost cautiously, as it circles the vessel. Despite its prehistoric origins, this species has managed to survive in the planet’s deepest, most uncharted waters. Unlike the well-documented great white, this shark rarely interacts with humans, making the footage even more remarkable.
The video, captured during a 2019 OceanX mission, highlights the challenges and excitement of deep-sea research. For years, scientists have struggled to study these creatures in their natural environment. Most research has relied on specimens caught by fishermen or temporarily brought to the surface. This encounter changed that, allowing scientists to attach a tracking device without removing the animal from its habitat. The breakthrough offers a rare window into the secretive life of a deep-sea predator.
A Shark from Another Era and a Groundbreaking Study
The bluntnose sixgill shark, or Hexanchus griseus, is one of the ocean’s oldest surviving predators. Unlike most sharks, which have five gill slits, this species has six, a feature dating back to some of the earliest known sharks. These giants can grow up to 20 feet long, making them one of the largest deep-sea sharks in existence. Despite their size, they remain elusive, preferring depths of over 6,000 feet. Their nocturnal habits and preference for the deep make them difficult to study.
OceanX, a team dedicated to deep-sea exploration, set out to change that. Led by Dr. Dean Grubbs of Florida State University, researchers aimed to track this rare deep-sea creature without disturbing its environment. Traditional shark tagging methods often require bringing the animal to the surface, which can cause stress and alter its behavior. Instead, the team developed a way to attach a satellite tag while the shark remained in its natural habitat.
The footage captures the moment the massive shark approaches the submarine, swimming cautiously but confidently. The researchers inside, well-prepared for the encounter, seize the rare opportunity. They successfully attach the tag, marking a milestone in deep-sea research. The technology allows scientists to track the shark’s movements without disrupting its natural behavior.
