can anybody help?i have a 110gall tank with 4xcatfish(synodontis)ranging from 4"to12" giraffe cat 8" arowana 12" 1x dollar 4",lima 12" 2x sailfin plecs(10-12")1x fire eel 8" and my albino oscar (5"),the tank is well established(1year) i put in a jaguar ciclid which terrorised my tank for 2 days,i took him out and swapped him for the fire eel,since this happened my oscar has become very lethargic not eating and some pin holes have appeared in his fins he also has some black speckles down his side,is this stress or is it a disease?he used to feed from hand but now shys away please help dont want to loose my precious oscar.all readings seem normal running at 25.4degrees