i just noticed this today when i was feeding my fish. dont know what it is and im afraid its a bad disease of some sort. its like a white goo or skin. please can someone tell me what it is and what i can do to remove it. heres 2 pictures
Is your knife fish okay now? Haven't seen this in another fish but like any other person in the, I will check the water parameters. Make a little bit larger and frequent water changes (do not drain your tank, though), increase the water temp a little bit. I wish anybody else here can help you.