Something on my blastomusa.

[tysas]

New reefer here. does anyone know what this is in the middle of the two heads? At first I thought it was another head but now it moves around quite a bit. Never comes out more than in this picture and usually sucks back in when I get close enough..

 

[NashobaTek]

Don't know, but zooming in makes it look vicious.

 

[ahiggins]

Looks like a harmless feather duster to me.

 

[tysas]

Aha yes that looks like it. So many variations of those..