[Possible NSFW] I believe my fish is dying from fin and tail

Is my fish pregnant, fat or sick?

We've had this big guy for over 6-8 years. He used to be upside

Burns on my fish? What is wrong?

Anyone know what is wrong with my fish.?

UREGENT: Help me save my favorite fish - I think she may be too

HELP ASAP PLEASE; should I euthanize these fish?

I hate fish keepers overstocking their tanks!

Going redoing this tank, putting caves in here pretty soon. Think

Floating fish

Whats wrong with my fish? Don't mind the plastic thing.

Fish helping a sick schoolmate swim?