Associate Staff Scientist


I am a marine naturalist with keen interests in the taxonomy, Biogeography, Extreme life. Coldwater/deep-sea marine biodiversity, natural history.

My fieldwork focuses on the octocoral taxonomy, distribution patterns and ecology of marine invertebrates. I have experienced to join cruise as an onboard scientist of research vessels since 2001 and join as a shore base scientist for ROV dives of NOAA Okeanos Explorer expedition since 2015 (

‘Deepest ever’ living fish filmed (2008)

NOAA Okeanos animal guide

Book: Exploration of marine biology (2014; in Japanese)