Emergency betta rescue! Any tips are appreciated, info in comments

NSFW Any idea what could be wrong with this betta? Details in

Do I need to euthanize my Betta? More info in comments.

Do I need to euthanize our betta? Info in comments.

Can anybody help me please? What's wrong with my betta? (Longer

Sick betta? (See comments)

HELP! Rescued SICK AND INJURED betta fish. There seems to be

Betta injured and won’t eat, please help! More info in comments.

Should I Euthanize? Info in comments

Female betta gasping and hiding in corner (info in comments)

Help!! What’s wrong with my betta & how can I help him?!

Brothers betta is moving strange help will elaborate in comments