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Brown Spots
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Glen
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Joined: 19 Dec 2006
Location: Nottingham

PostPosted: 2006.12.19(Tue)16:57    Post subject: Brown Spots Reply with quote

Hiya,
Can anybody help, I have 2 common clowns that have developed small dark brown patches on the orange parts of there body and fins they have been there over a week know but the fish are still eating and behaving normal, they are not being bullied or getting stressed in any way.
I have a 1000mm x 500mm x 500mm tank containing 50kg of live rock and a sump under the tank containing a Protien Skimmer and 2 Sieo pumps for water movement in the tank, the tank contains 2 Firefish, 1 small Regal Tang, 10 turbo Snails, 6 Hermit Crabs, 2 Cleaner Shrimps and 4 Peppermint Shrimps, 1 Leather Coral, 1 Pulsating Coral and a number of Musroom Corals, water Quality reads Salinity 1024, Ammonia 0, Nitrite 0, Nitrate 5, pH 8.3.
Anybody any Ideas ?
Glen
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FloridaBoy
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Joined: 04 Jul 2004

PostPosted: 2006.12.19(Tue)18:24    Post subject: Reply with quote

Can you please post a photo or two...
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SLACkra
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Joined: 06 Feb 2003
Location: Perth, Western Australia, Australia

PostPosted: 2006.12.19(Tue)23:29    Post subject: Reply with quote

I had a simular type of thing happen with one of my clowns its actually caused by their hosts. in my case polythoa sp. or my brown button polyps. According to Dr. Daphne G. Fautin and Dr. Gerald R. Allen the darkening of the skin in areas or melanism is caused contact with the host anemone. It also is known to occur with clownfish that host corals, zoanthids and coralimorphs.

andrew
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sirreal63
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Joined: 21 Feb 2004
Location: Meadowlakes, TX

PostPosted: 2006.12.20(Wed)13:44    Post subject: Reply with quote

Kind of like this? Mine are from the zoas he hosts in, he is fine just spotted from the toxins.


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AlainnIasg
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Joined: 25 Jan 2006
Location: Nor Cal

PostPosted: 2006.12.20(Wed)13:57    Post subject: dark spots Reply with quote

is velvet a possibility?
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Glen
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Joined: 19 Dec 2006
Location: Nottingham

PostPosted: 2006.12.20(Wed)14:54    Post subject: Reply with quote

Hiya, The marks on my clown are exactly like that but not as many. I do have a Zoa, but I have never seen the clowns go near it or any of the corals, but they are exactly the same.

Thanks for that.
Glen
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sirreal63
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Joined: 21 Feb 2004
Location: Meadowlakes, TX

PostPosted: 2006.12.20(Wed)16:09    Post subject: Reply with quote

in the middle of the night you will probqbly find him in a mat of zoa's. The palytoxins are esp. hard on some clowns. The female that is mated with that male has no spots from the zoas but it tears him up. lol

There is also a black ick but it is quite different than the black spots from the zoas.
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