In 2023, scientists captured fish at depths exceeding 8 kilometers (4.8 miles) and recorded them even deeper. These findings not only set new records for deep-sea fish, but also suggest we may be nearing the maximum depths at which fish can exist. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

At the western edge of the Pacific Ocean lies a series of trenches down to 11,000 meters (36,000 feet) deep, where the Pacific plate, typically 4,200 (13,780 feet) meters below the surface, sinks under various continental plates.

It was here, in the Izu-Ogasawara trench, that scientists filmed an unknown species of Pseudoliparis , a type of snailfish , at an incredible 8,336 meters (27,350 feet) down, breaking the previous record of deepest

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