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Cleaner Shrimp black patches |
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Cleaner Shrimp black patches |
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12-24-2002, 03:08 AM
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#1 |
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New in Town
Join Date: Dec 2002
Location: hk
Posts: 1
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Cleaner Shrimp black patches
Found some small black patches on the body of one of my cleaner shrimp. It has been there for around 2 weeks. It is eating alright though little shy...
Just worrying if there is any disease with it!!! BTW, anyone knows how to distinguish male/female for cleaner shrimps? I think I've got two female as they are laying eggs all the times..... Thanks in advance.. |
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12-30-2002, 04:57 PM
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#2 |
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Just Moved In
Join Date: Nov 2002
Location: Lethbridge, Alberta, Canada
Posts: 45
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How long have you had the shrimp? Have they molted yet since you've had them? I'm not 100% sure, but I think black spots develop on all cleaner shrimp a week or so before they molt. Once the shrimp has molted, the new exoskeleton will not have black spots until a week or so before it's next molting. This is what I have observed with my cleaner shrimp.
Terry |
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12-30-2002, 07:01 PM
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#3 |
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New in Town
Join Date: Dec 2002
Location: Sacramento, CA
Posts: 4
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ferrarihk:
I had a cleaner that developed some black spots in my nano tank. I read somewhere that it was a type of fungus caused by poor water quality but I'm not sure. Regarding the sex of your cleaners, it depends on where they are in their molt cycle. Cleaner shrimp will lay eggs as a female and store them under their tail. After eggs are fertilized, they will release fry into water column and then molt. The once female cleaner will emerge from the molt as a male. After they molt again, they are female and lay eggs, etc, etc. A pair of cleaner can release fry (food for corals and fish) every two weeks if well fed. One will be the female and the other a male. Then they switch. hope that helps, oz
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125g tank, 150lbs LR, 5" DSB, 60g sump, MAG24 return,Reef Devil w/CA1800, 2 400w Sunburst 12k; 25g tank, 30lbs LR, 4" DSB, Prism skimmer, hang-on refugium with 8" DSB, 2x55w pc "Shake off all the fears of servile prejudices, under which weak minds are servilely crouched. Fix reason firmly in her seat, and call on her tribunal for every fact, every opinion. Question with boldness even the existence of a God; because, if there be one, he must more approve of the homage of reason than that of blindfolded fear." Thomas Jefferson (Letter to Peter Carr, Aug. 10, 1787) |
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08-05-2003, 10:07 PM
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#4 |
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Citizen
Join Date: Mar 2001
Location: Chicago, IL
Posts: 214
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Black Patches- Cleaner Shrimp
My cleaner shrimp have these black patches too. I had them for a long time and these just strted to appear.
The water quality is fine. What is going on? |
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08-06-2003, 05:00 PM
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#5 |
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Polymath
Join Date: Jan 2001
Location: Cherry Hill, NJ
Posts: 526
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My experience has been the same as Tervill's. I'd notice black spots on the exoskeleton prior to molting. It shouldn't be anything to worry about.
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As a nation, you're faced with the choice of taking over the world or offering good eats at reasonable prices. |
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