Closeup of biota on rock including encrusting sponges, small brittle stars, small shiny bivalves, hydroids, and nearly invisible tube worms (look for

Closeup of biota on rock including encrusting sponges, small brittle stars, small shiny bivalves, hydroids, and nearly invisible tube worms (look for the white filaments with radial patterns). Although the large biota covering many areas is easy to see, virtually

Photo Location: Between Heezen and Nygren Canyons, 822-498m
Photo Date: 20130811T192514Z