Worm?

[razorskiss]

I got a shipment of ocean rocks from TBS and see at least 4 or 5 nooks and crannies with these thin white tentacle looking things poking out. At first I thought they may be the arms of a tiny brittle star but one of them has set up shop in this barnacle and now I'm convinced that these are the mouth feelers of some kind of segmented worm. The individual feelers are tiny, maybe 4-5 mm long and less than half a mm thick. Any ideas?

 

[kjkszpj9]

Barnacle

 

[RedoubtReef]

It looks like brittle star legs poking out of an old barnacle shell to me.

 

[kevgib67]

^ what RedoubtReef said, micro brittle stars.

 

[vetteguy53081]

I got a shipment of ocean rocks from TBS and see at least 4 or 5 nooks and crannies with these thin white tentacle looking things poking out. At first I thought they may be the arms of a tiny brittle star but one of them has set up shop in this barnacle and now I'm convinced that these are the mouth feelers of some kind of segmented worm. The individual feelers are tiny, maybe 4-5 mm long and less than half a mm thick. Any ideas?

View attachment 3168548 View attachment 3168549

Agree on barnacle

 

[EeyoreIsMySpiritAnimal]

You said it wasn't always living in the barnacle shell, correct?
Do you have any other pictures?

 

[razorskiss]

I've seen those tentacles poking out from various other holes but I've never seen the full animal outside (hence the uncertainty as to it's identity). So far I've found at least 6 or 7 of these in different holes in the various rocks.