somethig growing?

so I went to feed my fis this morning and saw that is that hydra or something eles.

 

Just pull it off.

 

Welcome to the forum and glad you joined us. Alison

 

yeah ill try that and see what happens.

 

Could be your hair animal fur or algae. Just clean it off.

 

ok hopefully its nothing serious, because I just noticed it today and kind of panicked

 

Staghorn algae ?

 

that actually looks like what I have but smaller of course thank you