This morning i noticed that one of my pajama cardinal fish was looking shabby. Upon a closer inspection i noticed that his pectoral fin was damaged and he was losing color and turning white. i have a 120 gallon tank with 4 ocellaris clown 2 black 2 orange one six line wrasse 3 blue green chromes' 1 diamond watchman gobie 2 cleaner shrimp 4 peppermint shrimp one coral banded shrimp 1 emerald crab and one fire shrimp plus hermit crabs