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#1
04-14-2009, 05:31 AM
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zoanthid assassin?
hey guys not sure where to begin over the last few months my zoa colonies seem to disappear over night colonies ranged in size from 20-50 heads i am keeping an extremely close eye on the remaining colonies but i am clueless as to how this is happening. I have an sps dominated tank and water parameters have been perfect since the start of the tank inverts i have a peppermint, cleaner, fire and coral banded shrimp a purple lobster and various hermit crabs. could this be a nudibranch problem if so anyone have any ideas? Or is there hermits out there that eat zoa's that i'm unaware of any info would be appreciated. thanks
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#2
04-14-2009, 05:35 AM
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could be a nudibranch problem. or sundial snails or zoa eating spiders. I would be suspicious of your peppermint shrimp though. Try watching your tank at night with a red light and see if you can see anything munching on them.
__________________
180 gallon LPS dominated reef
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#3
04-14-2009, 05:40 AM
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ya i have a frag rack attached to a float magnet i'll try and isolate the remaining pieces to see if i can catch the culprit in action =/ might as well list my fish and i also have a decorator crab which may be a problem in the future but he is to recent of an addition to be the main problem.
- flame angel - clown of some kind i forget the name - blue spot jawfish - orange spot goby - 6 line wrasse - lawnmower blenny
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#5
04-14-2009, 07:22 AM
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I had a peppermint shrimp eat all my feather duster worms and when he was done with them he went after my zoas and did a pretty good job on them before something got him.
Keep an eye on him for sure. hth
__________________
I bent My Wookie
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#6
04-14-2009, 02:52 PM
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Eunicid worm? They can lurk in your tank for years before they become large enough to have a noticable impact.
http://www.oregonreef.com/sub_worm.htm
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Setup Mar 2004 50g tank 23g DIY Acrylic Sump\Refugium Sold Dec 2009  Vacation Fun: http://members.shaw.ca/cabin54/
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#7
04-14-2009, 02:58 PM
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+1 on the worms as a suspect. If they are disappearing overnight then it is unlikely(but not impossible)that shrimp, fish or nudis are doing the damage.
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260g mixed reef, 105g sump, water blaster 7000 return, Bubble King SM 300 skimmer, Aqua Controller Jr, 4 radions, 3 Tunze 6055s,1 tunze 6065, 2 Vortech MP40s, Vortech MP20, Tunze ATO, GHL SA2 doser, 2 TLF reactors (1 carbon, 1 rowa). http://www.canreef.com/vbulletin/showthread.php?t=50034 . Tank Video here http://www.vimeo.com/2304609 and here http://www.vimeo.com/16591694
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#9
04-14-2009, 04:16 PM
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+1 on the eunicid worm. I had one that mowed down colonies of zoos and ricordeas overnight. You'd have to have a lot of nudis to take down that many zoos overnight. And with that many you'd definitely see them IMO.
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Christy's Reef Blog My 180 Build Every electronic component is shipped with smoke stored deep inside.... only a real genius can find a way to set it free.
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