We have a 30G little Reef... Inverts, Coral, Cleaner Shrimp, 2 Clowns, Flaming Angel, Coral Beauty, Yellow Wrasse, Royal Gramma, Red Scooter Blenny, Starfish...
But we are wanting to add something to keep the sandbed a little cleaner. Also have the snails and crabs, but they don't seem to...