Guys I had a heater explode in my tank help!?

Idk what’s wrong with my Betta help… he’s been doing this

HELP!!! Why does my beta look like a puffer fish?!?!

please help!!!! betta gill tumour! details in comments

I bought this down looking’ girl today. She broke my heart

Help plz hurry

Help

I need help. Betta isn’t eating, sinks to bottom of the tank

Help! Parasites? Swim bladder?

Please help!!! Sick fish?

Please help

Help! Nsfw