melev
Well-known member
<a href=showthread.php?s=&postid=12995612#post12995612 target=_blank>Originally posted</a> by shackscs
This one has something living inside of it. It comes in and out every few seconds. Pretty funky, huh.
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That is a barnacle, a filter feeder. You got a great shot as those eyelashes are always moving. I've never had a problem with any in my reef.
From my ID page:
<i>This is a common hitchhiker that you'll find in a variety of stony corals. Above is a Barnacle, which will retract and extend the featherduster-like catcher's mitt used to capture particulates in the water. The coral in the background is a Galaxia. I've seen these in SPS coral, as well as Psammacora, Porites, and more. I've never observed any damage whatsoever by these creatures; rather they seem to be a symbiotic creature that lives in harmony with its host. I'd call it Reef-safe. </i>