Worm thing on snail?

[DarkReefer]

Hi all,

Can anyone tell me what this little white thing on my large trochus is? Looks like it's got some thing flaring on the end of it ?

 

[James M]

Feather duster or a Hydroid . Pic is too blue to tell

 

[KJ]

Feather duster.

 

[DarkReefer]

Thanks guys