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Old 01/25/2009, 07:45 PM   #1
stephers1203
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spiny sea urchin- spines turning white

i have a spiny sea urchin that i'm a little worried about. his spines are starting to turn white...what does this mean? i've tried to catch him a few times because he's quickly outgrowing my small tank, but he's very hard to capture and then his spines start breaking....
thank you!!!


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Old 01/26/2009, 01:40 PM   #2
jhildebrand
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are the spines falling out too, or just breaking? that would be a sign of major stress. when you say "spiny" are you talking about a diadema? all black with long, thin spines?

never heard of the spines turning white. hopefully someone else can chime in. you're right though - this tank is going to be too small and either way it probably won't get enough to eat. i'd take it back to the LFS for trade if possible...


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Current Tank Info: 1000 gallon total system volume - 260g mixed reef - Fish room: 270g fiberglass grow out tank, 150g LPS cube, 150g sump, 150g 'fuge, remote DSB frag tub + 14g nano
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Old 01/26/2009, 06:56 PM   #3
7808
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ive seen them with white spines... dead on shore


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Old 01/26/2009, 08:58 PM   #4
stephers1203
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thanks! i googled diadema and that's him! no, the spines aren't falling out. i've tried to catch him a few times to take him back to the lfs but that's when the spines start breaking and i kinda freak out. i'll keep trying, though. thanks so much!


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Old 01/29/2009, 03:40 PM   #5
jhildebrand
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wait until he's on the glass and slide something thin under it - they'll pop right off. you risk injury to the critter if you try to get it off a rock...


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1000 gallons of liability

Current Tank Info: 1000 gallon total system volume - 260g mixed reef - Fish room: 270g fiberglass grow out tank, 150g LPS cube, 150g sump, 150g 'fuge, remote DSB frag tub + 14g nano
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Old 02/07/2009, 03:05 AM   #6
Capt56
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Check your water parameters! My urchin has white tips. I think its a sign of growth. Best time to get it is at night, when the lights are off.


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Old 02/14/2009, 10:06 AM   #7
Gools
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Mine is doing this too. His spines are all turning white at the base. I have a dinoflagellate outbreak right now, and has me worried, because it kills all the sanils I put in, so I'm hoping it's not doing the same to him.


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Old 02/22/2009, 11:59 PM   #8
69.nova.ss
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you might have bad water quality thats why he's shedding his spines


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