Is this a Sea Pen or ?

seahorsedreams

New member
Not my critter, but what is this? It reminds me of a sad little sea pen.

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It's a type of worm. I helped someone else ID one of these before but I can't remember the name and I can't find the thread! If LeslieH was around she would know.
 
I think that might actually have been it but I still can't find the exact species I saw before. I'll let you know if I find anything.
 
Coco worm out of its tube.

This might actually be it. I thought this at first but the red part of the pic in question had me questioning it. I've seen a coco worm that dropped its crown and was out of its tube in person and it looked a little different (the way I remember it).

Do you know if they had a coco worm in the tank?
 
I figure what we are looking at it a tube worm who has lost his plume and that's the vestimentum and trunk that is left. When you do a Google image search for Riftia pachyptila, a lot of pictures come up that are similar. I'm not saying that is the species, it was just the search term that led me to those photos.

Google
 
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