sick wont eat food

About 6 months ago I bought 2 female Bettas from Petco (one red and one blue). I had them in a 1.5 Gallon tank (the link below is the exact same tank I have). I noticed that the Tetra filter it came with was not working anymore so I upgraded to the submersible Sting Ray filter (also linked...

My brother's betta hasn't eaten since we brought him home, about 6 days ago. He's been staying at the top of the tank, in a corner since then. But this morning, we found him at the bottom of the tank, upside down! His gills look inflamed, and he seems to have trouble breathing. He is in a...

hey, i just bought a beautiful white crowntail from petsmart. this is my second betta and i've had my other for about three months now and he's doing just fine. the problem is my new white one won't eat anything at all and spends a lot of time sitting on the bottom. he seems to look pretty...