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#1
02-28-2007, 02:12 AM
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I'm guessing that all cowries aren't coral eaters? Yellow polyps would be my guess on the second pic, I was thinking some kind of moon snail or cowrie for the first.
Doug 
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#2
02-28-2007, 05:03 AM
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Okay - The weird snail thing (which I now know as a Money Cowrie snail, thanks
 ) is back in the tank - I was VERY confused and in awe by its mantle, and how it would envelop the outer shell. I remember having the shells as a kid, and always thought the "teeth" were super cool. It's nice to have one, and I'm VERY happy they're not evil  The concern I had with the polyps was the similarity to the Colonial Hydroids from the xtal reef site, and the fact that they didn't play nicely with my colt (which all the other polyps I have in my tank do just fine) concerned me... Good to know Thanks all for the super quick responses!!
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#3
02-28-2007, 04:06 PM
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Hydroids are much smaller than yellow polyps. Although they look similar there's really quite a difference of scale. The hydroids look like litte palm trees (longer stalk) and then the "pom pom" is only a couple millimetres in diameter.
Not all cowries are benign. I have one that resembles a tiger cowry (but isn't) and is a soft coral muncher. But money cowries (yours is definitely a money cowrie) are benign. They come in as hitch-hikers occasionally but you can also actually buy them from time to time as clean up crew.
__________________
-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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