Hiii, I best get straight to the point or I'll be here forever!! Long story short, a friend is moving and has to rehome his Betta, I offered to add him to my 20gal Community planted tank that I had just started stocking. I was intending to do a dwarf cichlid pair with some tetra's, but now I am...

I have 5 neon tetras and this betta. This morning I noticed it looks like the bettas fins are almost singed on the bottom and the top fin looks odd. I have a small filter but don’t think that did it. Could this be from the tetras? What should I do?

I am trying to decide what to put with my male betta in a 20 Gal long. When I first got him I also placed 6 inpaichthys kerri (royal tetras) in with him on the recommendation of the fish store owner. Within a week, 5 of them had died, we think it was a bacterial infection somehow, so we treated...