Who is doing my fin nipping? I noticed a different black skirt tetra has a nipped fin now (the other one is about 99% healed)
I have 3 black skirt tetra, 1 tetra serpa, 3 red eye tetra, 2 cory cats, 1 pleco, 3 red eye tetra.
I don't think its fin rot or anything like that because like I...