Image courtesy of Coral Ecosystem Connectivity 2014 Expedition. Download larger version (jpg, 825 KB).
Close up of a giant barrel sponge, Xestospongia muta, which provides habitat for many creatures including a squat lobster (right) and a brittle star (left). Imaged within the Pulley Ridge Habitat Area of Particular Concern, off the southwest coast of Florida.
From: The Flora and Fauna of Pulley Ridge – the Deepest Mesophotic Reef off the Continental U.S.