So, as the title says I need some help. I have a 29g BioCube with 2 Ocellaris Clowns, a Mandarin Goby, and a Blue Fin Watchman Goby. Cleaner and Peppermint Shrimp, Hermits, Snails, an Long Tentacle Nem. I do have corals in the tank (Zoas, Mushrooms, Hammer) so any other fish I need to get need...