Image courtesy of the NOAA Office of Ocean Exploration and Research, 2015 Hohonu Moana. Download larger version (jpg, 670 KB).
This unusual polychaete was documented during a 2015 Hohonu Moana: Exploring Deep Waters off Hawaiʻi expedition dive at Deep Twin Ridge, on the south side of the Johnston Seamounts in the Pacific Remote Islands Marine National Monument.
From: Here in Hawaiʻian Waters It Is...Cold!.