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Old 06-06-2012, 12:59 AM   #1
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Sea Urchins

Anyone have experience with these creatures in there little bio cubes etc?

My LFS has a tiny purple and pink pin cushion urchin I was thinking of getting it. Not sure what there purpose is and don't really see much about them.

Thanks.
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Old 06-06-2012, 01:25 AM   #2
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They're just cool little dudes! If you have a reef tank they will pick up frags or pieces of plant etc. to camoflauge themselves.
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Old 06-06-2012, 09:11 AM   #3
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Originally Posted by Tropicallie
They're just cool little dudes! If you have a reef tank they will pick up frags or pieces of plant etc. to camoflauge themselves.
Really that's cool! Sounds like of I do get one I better make sure my frags are in there place and can't be moved! I'd really like to get this one as its small and cool looking. What do they eat?
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Old 06-06-2012, 10:09 AM   #4
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Really that's cool! Sounds like of I do get one I better make sure my frags are in there place and can't be moved! I'd really like to get this one as its small and cool looking. What do they eat?
Sea urchins eat plant and animal matter, like kelp, decaying matter, algae, dead fish, sponges, mussels, and barnacles. I work at a LFS and we have one in our coral tank that just grazes on the bottom and he's been there a long time healthy and happy!
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Old 06-06-2012, 10:54 AM   #5
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I may have to get this little guy. Pink and purple. I think it's called a pin cushion or pin sea urchin it's pretty small and looks like a golf ball with prickly things around it. I wonder if it would do well in my tank.
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Old 06-06-2012, 10:58 AM   #6
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I may have to get this little guy. Pink and purple. I think it's called a pin cushion or pin sea urchin it's pretty small and looks like a golf ball with prickly things around it. I wonder if it would do well in my tank.
What kind of tank do you have?
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Old 06-06-2012, 11:10 AM   #7
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Bio cube 29. Been up since December. The urchin is probably the size of a golf ball or a little smaller. Here's a vid of my tank!

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Old 06-06-2012, 11:43 AM   #8
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Wow that's beautiful! The only problem might be that there isn't a whole lot of grazing space for him.
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Old 06-06-2012, 12:08 PM   #9
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Wow that's beautiful! The only problem might be that there isn't a whole lot of grazing space for him.
Thanks! Maybe I'll just hold on the urchin then. But it sure is cool looking!
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