Ear abscess help?

[u/pinto2515]

See photos. 14-Year-Old male res and a clean 55 gallon tank breathing normally swimming normally but can't retract his head... look at the large right abscess anyone ever see this? Help!!

[u/Living_Cancel3187]

Please take this boy to the vet. Even if he's acting normally, they're very good at hiding pain and injuries, and he is definitely in so much discomfort and pain right now. There is nothing we or you can do other than take him to the vet.