bichir health

Hello! My senegal bichir has had that lump for a few months now. I don't have the funds to afford bring it to the fish vet as it could cost up to $100 inclusive of the consultation fee here in Singapore. Please tell me if there's anything I can do to help my bichir, I really don't want my bichir...

Do Bichir prefer soft, medium or hard water with what ideal PH? I was thinking 3-6Kh with a Ph around 7-7.5? But all comments appreciated.

I'm new to keeping aquatic animals. How do I treat my bichir?

I have a juvenile Senegal Bichir (about 4in) that I have had less than a month. I have him in a 45gal tank with a Delhezi bichir of the same size. I was having trouble getting my Del to eat, and my Sen would end up eating his food AND half of hers. Now his back half is floating up awkwardly and...