If only one of your fish has a bulging eye it could be an injury. Keeping the water clean and the tank stress free is important to keep the eye uninfected. If it is popeye or some other illness than treat the fish in a seperate tank to prevent the spread of the illness
My betta curently lives in a 5 gallon tank with a snail and I was wondering is it would be ok is I split the tank and added another betta. Would downsizing affect my betta? Is there a way to make the transition easier?
I haven't been able to catch my betta in the act. I don't think he'd stop because of a good scolding lol. Maybe you could add some new decorations for him to explore. Maybe switch out some plants or add some caves.
Java fern perfer low to medium lights. Snails would be a good idea and mostly just need a source of algea and calcium. For substrate I'd say fluval stratum. Amazon has pretty much everything you need. As for plant food I use Flourish. Hoped this helped
My betta also has that problem. I'm thinking it's tail nipping and not fin fot considering it's been a few months and it hasn't gotten worse. Keeping the water clean is top priority right now. It doesn't look like fin rot to me.