I now have a catfish in with the two oscars and they are doing great, My black Oscar who is the bigger of the two looks like he had a small bite mark on the side, He lost a few scales and some skin is hanging it dosnt look too painful but its not normal. Who is more likely the culprit The catfish who is about 12 inchs or the other oscar? Im kinda out of luck when it comes to moving them so i think im gonna wait until i know for sure who is beating down on each other.