An underwater mechanical arm with a suction hose disturbing the ocean floor, creating sediment clouds.

Sampling

Image courtesy of NOAA Ocean Exploration, 2025 Beyond the Blue. Download larger version (jpg, 1.02 MB).

The suction sampler on remotely operated vehicle Deep Discoverer is used to collect sediment from the seafloor of an unnamed guyot at a depth of 960 meters (3,150 feet) during Dive 03 of the Papahānaumokuākea ROV and Mapping expedition.