Underwater scene of crinoids with feathery arms on a rocky seabed.
Stalked Crinoids
Image courtesy of NOAA Ocean Exploration, 2025 Beyond the Blue. Download larger version (jpg, 1.18 MB).
For much of Dive 03 of the Papahānaumokuākea ROV and Mapping expedition, stalked crinoids were the dominant fauna, observed in high densities on the seafloor. As this species of crinoid is currently undescribed, an individual was collected for further analysis.