I have two betta fish male and female. The female got bigger colorful and stronger, but the male got fin rot. There's nothing wrong with the water, what else can cause it? There's a few things to note:
-He attracts attention from people who want to stick their fingers in the water
-He might be making more waste because I found out a couple of days ago someone was feeding him too much
-He doesn't like the filter and often gets mad around it
-I had to change the filter to a weaker one because it was sucking him in.
I just find it odd that the female seems to be getting stronger while he's getting sick.
-He attracts attention from people who want to stick their fingers in the water
-He might be making more waste because I found out a couple of days ago someone was feeding him too much
-He doesn't like the filter and often gets mad around it
-I had to change the filter to a weaker one because it was sucking him in.
I just find it odd that the female seems to be getting stronger while he's getting sick.