I had a betta who got to an algae wafer. At first she looked like that, so I just assumed she was bloated and fasted her. She ended up having dropsy and she didn’t make it. Take bettafairy’s advice, but definitely be careful. Good luck
I don’t have any advice, but I’ve had a similar experience. My local fish store said all males would be fine, so I got three. They constantly harassed one of my female platys even though there were other female fish in the tank. They stressed her out so much that I ended up taking them back...
Java moss and Java ferns are great plants. You can use aquarium salt to treat at first. 1 gal is a bit small, but it’s better than nothing. If aquarium salt helps, just keep using that. Stress coat is great too. If those two don’t work or if the fish gets worse, you can try Melafix. Sorry I’ve...
You should probably quarantine it if you can instead of treating the entire tank. It’s tail isn’t going to just suddenly grow back. I do recommend treating it though to avoid infection. Also, just a suggestion, but you should probably get some more plants.
Her name is Kovit. She’s named after a male book character
Her color hasn’t changed. She looks completely normal besides the heavy breathing and lack of swimming. She’s really tiny and she’s never had the platy chest shape. (I am positive she’s a platy, she is not a molly.)
A breeder box wouldn’t do anything. Fin rot can be caused by dirty water, so you should do water changes more frequently. Even if she is not sick, this will only help your fish. If you don’t monitor your water levels already, you should start. Definitely get an extra tank if it is possible though
If you think that it’s fin rot, which it definitely could be, you should separate her so the other fish don’t get it. You can add aquarium salt to your tank to see if that helps. If it continues getting worse, I recommend getting treatment. Especially if it spreads to other fins