White thing on Top Fin

[egwich]

Woke up to my clown with a white thing on his top fin. Acting normal and healthy, eating, but what could this be?

 

[EmdeReef]

Assuming no other symptoms or spots, it could be an injury or Lymphocystis:

https://www.reef2reef.com/threads/lymphocystis.257461/

 

[egwich]

Assuming no other symptoms or spots, it could be an injury or Lymphocystis:

https://www.reef2reef.com/threads/lymphocystis.257461/

That's what it looks like. I'll keep an eye out for more symptoms.

 

[4FordFamily]

Assuming no other symptoms or spots, it could be an injury or Lymphocystis:

https://www.reef2reef.com/threads/lymphocystis.257461/

I agree at this stage. Keep an eye on it but requires no action generally.