This amazing footage was captured at the Kermadec Ridge in 2011, by NIWA's Deep-Towed Imaging System (DTIS).
The laser dots are 20 cm apart, and allow us to judge the size or scale of the organisms and features we photograph.
For more information on our work in the Kermadecs, see http://niwa.co.nz/our-science/oceans/research-projects/all/deepsea-mining-of-the-kermadec-ridge---geophysical-prospectivity-and-environmental-impacts.