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

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

Should I euthanize this endler?

I want to know if this is contagious or just bad dropsy. I may

do I need to euthanize him. caution listening to the audio in

Her gill is cut. Is there any chance of survival or would it

Euthanize or wait?

Do I need to euthanize this fish?

HELP ASAP PLEASE; should I euthanize these fish?

Voracious herp derp (African clawed frog), 5 years young! Lives

Pleez helpp

Trying to treat swim bladder/spine deformation. Should I just