As we moved upslope during Dive 16 of the 2021 North Atlantic Stepping Stones expedition and began to encounter larger ferromanganese boulders mixed with smaller nodules, we saw several of these larger rosellid “mushroom” sponges. In this more “bouldery” habitat, we also observed stalked barnacles, a potential Eknomisis sp. bamboo coral, and several Anthomastus sp. soft corals.