Baby feather dusters?

Hotrod324

New member
Looking very very closely at the rock, my girlfriend noticed some tiny little fan like things. Theres at least 5 we found on this one little rock. They dont really form a ring of feathers but more of a little fan of about 6 feathers or whatever they are. Also, we did the whole red flashlight thing last night, and the only activity we found was on that little rock. There was a bunch of little worms coming out of holes in the rock. They were very very small but some extended our pretty long (maybe an inch). My question to everyone out there is, are these guys little feather dusters? and are the worms we saw, the little feather duster worms, or something else?

p.s. they are too small for a picture
 
They're minis. They never get any bigger.

The worms---hard to know. Could be spionids. They may colonize your sandbed eventually. They're among the thousand and one filter feeders that will eventually enliven your rock and sandbed.
 
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