beta fish emergency

My main concern with my beta is that he is not eating and he doesn't seem to be able to hold himself upright. It will take 15-25 min to feed him 2 pellets and he only every floats around. Housing: How many gallons is your tank? 10 Gallon Does it have a filter? Yes Does it have a heater? Yes...

So I have a betta that I have had for over a year now. Throughout his life he has had 2 tanks, he started in a 2 gallon bowl now he resides in a 10 Gallon tank. His tank is heated to a good temp, is filtered, the water we use is treated, the tank has been cycled, and we do bi-weekly water...

I don't know where to begin, when it comes to treating my beta. He acts normal and eat like a pig. But doesn't look so hot. It started with the little black lump on his anal fin. Than developed one on his back. Tried beta fix no change and condition didn't change or worsen for about a month. Now...

Can anyone tell me if my betta has fin rot at the low part of his body?

I bought a male beta almost 7 months ago, and he was crystal white and beautiful and his fins were full. And he's been perfectly fine until recently, he's started to change colors on the border of his tail to a yellowish. And now it's changed to red and it looks like his tail fins have almost...

Im not sure what is wrong with him. Ive given him medicine for both dropsy and bacteria and nothing. Not sure if it's a tumor or just a bacteria infection that i may not be treating properly. If anybody can help i would really appreciate it. Thanks!