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

HELP!!!!!! Does anyone know how I can save the fish? Sorry for

Shrimp feeding on a little fish that didn't make it to the tank

Is this mouth rot and can I save this fish? Any treatments?

Whats happening to this fish at petsmart? Genuine question

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

What is happening to my fish? How can I help?

Please help me save my new fish

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

What is happening to my betta fish?

What is happening to my fish and how do i help it

I found this fish in my Dad's aquarium. Any idea on what's wrong