Ko-Hakucho Guyot

Ko-Hakucho Guyot is a flat-topped underwater volcano in the Pacific Ocean. It is notable for its ancient geological origin and deep-sea benthic habitats.

The term guyot describes an underwater volcanic mountain with a relatively level summit. Ko-Hakucho Guyot fits that description because it is a flat-topped seamount below the Pacific.

Yes, the item is described as having ancient geological origins. That means its present form records an older phase of Pacific seafloor volcanism, not necessarily current volcanic activity.

Its slopes and summit form a deep-sea benthic habitat for organisms living on or close to the seafloor. The description does not provide a species list or a precise depth.