
An unknown marine creature discovered 9,000 meters deep in the Ryūkyū Trench in Japan
The specimen (Animalia incerta sedis) spotted in the ocean trenches of Japan. Credit: Jamieson AJ et al. (2026) Faunal biodiversity of the lower abyssal and hadal zones of the Japan, Ryukyu and Izu–Ogasawara trenches. Biodiversity Data Journal Almost 10 km deep in the ocean trenches of Ryūkyū and of Izu-Ogasawara …




