What’s wrong with my fish? He hasn’t eaten or moved much

[NSFW] My Siamese Algae Eater has nasty looking red and white

They are doing it!

All day today this little guy has been doing these circles, and

My community tank (sorry for the snorgy)

Help identifying issue with Chinese algae eater

I need help on how to treat these fish

What is wrong with my molly?

What’s wrong with this cordoya? More in comments

LFS sold me this Ember Tetra with one eye popped out. Is there

Anyone know what's going on with my Cory, came in here about

Why is my betta fish so voluptuous? I’ve been treating for