its an established reef tank 1.5 yrs) with a variety of snails..astrias,turbos,nassirius, brittle stars, tons of pods,pep and cleaner shrimp, 3 large starfish, sailfin and hippo tang, fox face, PJ cardinal, clown fish, mostly LPS (lots!!) 225 lbs LR 150 LS, 2 crocea clams, feather dusters, coco worm, some bristle worms, sea cucmber...HTH