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  #1  
Old 12-29-2004, 04:30 PM
rwdn rwdn is offline
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Default Black Spiny Urchin
Has anyone ever heard of these guys (black urchis) dropping all of their spines? I read where they'll do that if water quality is poor but will they do it for any other reason?
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Old 12-29-2004, 04:42 PM
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Tarolisol Tarolisol is offline
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Ive only seen it in LFS when the urchin died.
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Old 12-29-2004, 08:53 PM
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It generally is a sign of declining water quality as you say - urchins are rather sensitive to that.

I've heard the long spines can't be out of water, but I don't have anything to back up that statement.
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Old 12-30-2004, 12:30 AM
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Quote:
Originally Posted by EmilyB
I've heard the long spines can't be out of water, but I don't have anything to back up that statement.
I had mine out of the water numerous times when switching tanks, etc., never any problem.
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Old 12-30-2004, 12:42 AM
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My black urchin hitched a ride on live rock. Sorry Deb
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Old 12-30-2004, 02:00 AM
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They will also do so if tank temp gets too high.
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Old 12-30-2004, 02:42 AM
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Okay, so that was hearsay then......

I know I carry my tuxedos about all the time. Someone (cough, cough) who gave me the urchin told me that
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Old 12-30-2004, 07:16 PM
monza monza is offline
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Anyone in Calgary want a big healthy one? Spines are about six inches in length. It was tiny and grew, I moved it to my sump due to knocking stuff down. Now it has been moved to my predator tank and was living happily with my eel . I now have a luna wrasse and dog face puffer and I think it will be dinner soon.

Free to a good home. Just PM if interested.

Dave
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