I have a 55 gal tank with 5 anemones, 1 serpent starfish, 2 clowfishes, 1 crab, 1 flame angel, 1 powder blown tang, 1 javanese damsel, and 2 gobies. This aquarium has been setup since Dec. and i've had a few problems ever since. I had another angelfish that died with fungus (he was infected...