Feather dusters or Aiptasia?

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Scoot

Aquarium Advice FINatic
Joined
Mar 14, 2006
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Location
Nebraska
Hitchhikers on new LR piece. Very, very tiny.

id-worms.jpg


Full-sized:

http://usera.imagecave.com/Scott/Fish/id-worms.jpg
 
Top one is a feather duster. Not too sure on the bottom one. Does it retract like the top one?
 
Haven't seen them retract at all yet, but they weren't there when I put the rock in.
 
Mine will retract when a fish swims by. Is the bottom one the same thing, it is hard to tell?
 
Yeah, the bottom looks identical, there's a 3rd on the top of the rock...
 
I've had aiptasia's before, no, they don't really look like them, but they're so small its hard to tell.

There does seem to be a feathering around each tentacle, which would lean me towards feather duster.

One did retract when I moved a baster towards it, but my aiptasia's did that too.
 
I've found four now, and that's just on the surface of the rock I can see... I think there's a couple spaghetti worms too, I've seen the tendrils come out a few times. The arrow crab will probably get those, he'll eat anything.
 
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