Barbara;201233 wrote: Baby brittle star. It would have come in on a coral, live rock or macro algae. Have you received any of that from a fellow reefer lately? I know I have tons of them, and when I got some chaeto from Brandon and Jeremy, it was teeming with them. Now they're all over the corals in my tank too. They seem to particularly like the SPS. Good scavengers; totally reef safe.