Hi, this is my first time posting. I'm trying to find help on what I can do for my betta who is suddenly very sick. She is a dark blue, female betta who I bought from Petsmart as a baby about a year ago. She has always been very healthy. The tank is a 5.5 gallon (I moved her from a 2.5 gallon...
What size is your tank? 2.5 gal
What temperature is your tank? 77-80º
Does your tank have a filter? sponge filter
Does your tank have an air stone or other type of aeration? air stone on sponge filter
Is your tank heated? yes
What tank mates does your betta fish live with? none