Upside Down Black Catfish

[daynespruce]

Hi there I'm new to this site and just little bit worried about my catfish i have two of them and they keep attacking my other fish and ive recently seen that one of them is missing a fin and the other one is really grey now in colour just abit concerned can anyone help cheers

Dayne

 

[The-Wolf]

if you are talking about Mystus leucophasis
my best advise is return them.
they get massive and more aggressive as they age.
they are not in any way shape or form a 'community' fish.

dont make the mistake I did, get rid of them now