Spongy thing with spout?

[PotatoPig]

Just curious what this thingy is. It looks a little like a grey/semi transparent bag, with a cylindrical “spout” with what looks like an open end to it.

Size is about 5/8” across.

 

[Dan_P]

Just curious what this thingy is. It looks a little like a grey/semi transparent bag, with a cylindrical “spout” with what looks like an open end to it.

Size is about 5/8” across.

Tunicate?

 

[JGT]

Hard to see. Tunicate or sponge. Either is harmless.