Hello everyone, I recently added a red headed severum to my 75g with my oscar and gar. The oscar is about 12 in. and the redhead is about 7. Obviously the oscar didn't take to nicely to the severum entering his tank so I set up a cave that the severum could enter but the oscar can not. The oscar pokes his head in and tries to pick on him every once and awhile, so the severum almost never leaves his cave(once and awhile he will go over with the gar, but that's it). It has been a few days and he doesn't even come out to snatch up a pellet, I am beginning to become a bit concerned. Is this normal? When will the oscar get used to him? Please help.