I have a 60gal cube with about 40 to 50lbs of live rock and 40 lbs of live sand. as far as corals go I Currently I have a Duncan coral, electric green torch (which is declining), long tentacle leather, orange finger sponge, green star polyp coral, fruit loop zoa, purple zoa, and Purple mushroom. Zoa'a are growing but haven't opened since I put them in the tank about a month ago. CUC consist of about 20 hermit crabs. 1 zebra turbo snail left out of 9, serpent starfish, brittle starfish, 6 nassarius snails, 10 zebra snails, 12 cerith snails. Also have a pistol shrimp, yellow watchman goby, yellow tail damsel, clown fish, 2 harlequin shrimp, long tentacle anemone, Atlantic blue tang, 2 barred zebra gobies, 3 firefish gobies, Starry blenny and a Springers Dotty back.