I have been keeping a 55 gal. reef tank for the last 5 yrs. The fish are a mated pair of Percula Clowns, 3 Banggai Cardinals, 1 Mandarin Dragonette, 1 Diamond Goby, 1 Cleaner Shrimp, @ 8 assorted Hermit crabs, 1 Porcelain crab, 1 Pistol Shrimp. 3 large Brittle Stars, @ 3 red mini brittle stars...