The two Niskin bottles used to collect deep-sea water samples are mounted to the bottom of ROV Jason and can be triggered by the ROV’s manipulator arms.
Mounted Niskin Bottles
Image courtesy of DEEP SEARCH 2019 - BOEM, USGS, NOAA. Download larger version (jpg, 704 KB).

The two Niskin bottles used to collect deep-sea water samples are mounted to the bottom of ROV Jason and can be triggered by the ROV’s manipulator arms.

Learn more