Hitchhiker on snail

[JayRozzer]

Any idea ? On one of my Trochus snails.

 

[OuteastREEFS]

Looks like some type of sponge maybe.

 

[Alexopora]

Any idea ? On one of my Trochus snails.

I’m going to say Tunicates due to the tell tale two siphons.

 

[Bepis]

I’m going to say Tunicates due to the tell tale two siphons.

+1