I originally in answering your post, was not rude, in fact was trying to be helpful, however, your following posts, were actually ignorant and arrogant, which therefore implied that I didnt know what I was talking about, which to me is being rude, as believe me, I know what Im doing! My post in return was very restrained on my part, but when it comes to the welfare of large fish who are clearly not being looked after properly, then my patience is tested and answers will become very short because I dont have the time to waste in banging my head against a brick wall (which is no doubt what Im doing now)!
For anyone interested in the full picture, this is taken from the OP's profile information, all this in a 70g tank:
2 x Blood red parrots
1 x Normal parrot
1 x Golden severum
2 x Red Spotted Severum's
2 x Jack Dempsey's ( 1 Pair )
3 x Silver sharks
2 x Plated catfish ( not sure of real name )
1 x large Red spotted wild green severum
1 x large Common plec
1 x Golden nugget plec L018
1 x Rusty/bronze plec
4 x other various little catfish
and he's currently advertising for another female sev so he can get them to bred!!!!
I stand by my initial statement, re-home the fish, 120g even will not be large enough to house all those fish, for the longterm health and happiness, do the right thing.