A recent deep-sea expedition into the Tonga Trench in the Pacific Ocean led to an astonishing discovery: a massive Pacific Sleeper Shark was filmed at an astounding 1,400 meters below the surface.
Rare footage of a bigfin squid captured by a ROV deployed 11,000 feet deep in the Tonga Trench. Credit: Deep Sea Research Center, University of Western Australia California Wildfire Live Updates ...
The expedition itself was part of a broader effort to explore how biodiversity and species abundance shift across depths ranging from 3,280 to 32,808 ft (1,000 to 10,000 m) in the Tonga Trench.