Bump on clownfish

[Alvin414]

Diagnosed this bump 2 days before.

Swelling wound with cottony looking things on it.

Loss of appetite and keep away from its Elegance coral.

 

[Old Fritz]

Here's an article on bacterial infections.

TANK TERROR: Bacterial Infections In The Reef Tank

Editor’s Note: The reef aquarium hobby is not for the faint of heart. Maintaining a complex ecosystem can be a daunting task with many variables in play that all have effect on one another. However, beyond the effort to maintain the ecosystem and...

www.reef2reef.com

Tl;Dr treat with furan-2 and kanaplex. Other people like to add metroplex. Also make sure water parameters are good

Infection looks small so it should heal up in no time.