Click the pic, it opens a new window with info. If you have a popup
blocker you will have missed this. Here it is:

Keyhole Limpets move about the reef, substrate and even glass. Their
body is protected by a cone-like shell that has a small hole at the
apex or top. When extended, some display a delicate lace-like fringe
or skirt. I have had a few of these over the years, and usually they
are about .75" to 1.5" in size. Many babies about 1/8" appear in the
sump, refugium and plumbing. Reef-safe.



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"maddie" wrote in message
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My creature turns out to be a keyhole limpet (Thanks George, I
didn't realize that the name would come up if I held it on the
picture). Are these harmful?

Many thanks!

Maddie
"Billy" wrote in message
...
Does it look anything like any of the critters on this page?
http://www.melevsreef.com/id/

billy

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"maddie" wrote in message
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I've recently noticed a creature on my live rock. It seems to be
nocturnal and sort of looks like a leach. It has browish and
white stripes. He crawls for cover when the lights come on. Any
ideas on what this is? Is it harmful? Should I get it out of my
tank next time I see it?

Thanks!

Maddie