Hello, I have three zebra danios, and had two ember tetras along with some other fish in my tank. Unfortunately one of the ember tetras recently died, he was older, but was seeming extremely skinny for awhile. Now, I've noticed one of my zebra danios is quite skinny compared to the others, and wont eat. I have isolated him, and tried to feed him already. Just wondering what is suggested to do? The only things main things I have on hand is kanaplex, aquarium salt, and just some Indian almond leaves. But I can go to the store tomorrow if something is suggested.
Thanks!