TOKYO, June 3 -- JAMSTEC issued the following news:

Japan is taking centre stage in a groundbreaking international expedition to explore and document new life in the deep ocean. In June 2025, the Japan Agency for Marine-Earth Science and Technology (JAMSTEC) will collaborate with The Nippon Foundation-Nekton Ocean Census, deploying the renowned submersible Shinkai 6500 on a 20-day scientific voyage into some of Japan's most mysterious deep-sea ecosystems.

The expedition, aboard the research vessel Yokosuka, will target biologically rich deep-sea regions within Japan's Exclusive Economic Zone, including the Nankai Trough and Shichiyo Seamounts, aiming to discover marine species never before seen by science.

"This expedition represents mor...