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11/30/2015, 10:54 PM
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#1 |
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Registered Member
Join Date: Nov 2015
Posts: 13
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Weird white spot on my yellow tang
I have a yellow tang and a baby blue regal tang both in quarantine before we add them to our main display tank. Have had the yellow tang for a month and the blue tang for 1.5 weeks. Have been treating with cupramine prophylactically with no obvious ich noticed so far. Yellow tang has had a white spot on its tail fin for almost 3 weeks now which has not changed in appearance and doesn't see to bother him. Any ideas what this could be??
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11/30/2015, 11:11 PM
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#2 |
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Registered Member
Join Date: Jan 2015
Location: Fremont, CA
Posts: 9,555
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Lymphocystis, likely triggered by the copper treatment.
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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio 3 P. diacanthus. 2 C. starcki Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +... |
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11/30/2015, 11:13 PM
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#3 |
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Registered Member
Join Date: Dec 2014
Posts: 2,175
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Could be his scalpel they are white sharp bones protruding from the tailfin its what they use to protect themselves from predators or just defend territory.
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-Hodge Current Tank Info: 180 gallon, 40b sump. 3x OR T247 lighting, Reef Octopus protein skimmer, phosban 550 reactor, tunze ato, gyre xf 150, 2x mag 9.5 returns. |
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11/30/2015, 11:23 PM
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#4 |
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Registered Member
Join Date: Nov 2015
Posts: 13
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12/01/2015, 01:19 AM
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#5 |
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Registered Member
Join Date: Dec 2014
Posts: 2,175
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please clarify. i circled two spots on his tail if its the red circle then it is the tangs scalpel and every single yellow tang in existence has that.
if its the purple circle then we need a closer picture and more focused to tell what it is. 
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-Hodge Current Tank Info: 180 gallon, 40b sump. 3x OR T247 lighting, Reef Octopus protein skimmer, phosban 550 reactor, tunze ato, gyre xf 150, 2x mag 9.5 returns. |
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12/01/2015, 01:22 AM
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#6 |
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Registered Member
Join Date: Dec 2015
Posts: 5
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spines
both of those are spines. he should have them on both sides of his tail in more or less the exact same location. they use it for defense, they swing their tail at the other fish attacking them. (its sharp like a scalpal so be careful)
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12/01/2015, 01:29 AM
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#7 | |
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Registered Member
Join Date: Jul 2014
Location: Scottsdale, AZ
Posts: 1,511
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Quote:
I think it's obvious the OP is talking about the one circled in purple to which I have no idea and will let someone more experienced chime in. |
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12/01/2015, 08:29 AM
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#8 |
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Registered Member
Join Date: Nov 2015
Posts: 13
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It's the one circled in purple, I don't think it's his spine however because it wasn't there when I bought him, showed up about a week later and it's only on one side. I don't know if I can get a closer picture but I will try. It looks like an ich speck but slightly larger and as I said he's had it for about 3 weeks so if it was ich it would have fallen off by now. Its not bothering him but still would really like to figure out what it is
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12/01/2015, 09:49 AM
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#9 |
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Registered Member
Join Date: Feb 2015
Location: Virginia
Posts: 4,971
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Maybe flukes??
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12/01/2015, 02:12 PM
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#10 |
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Registered Member
 
Join Date: Apr 2008
Location: Grove City, Ohio
Posts: 10,806
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If it has been there and not moved or spread, it is almost certainly Lymphocyctis. Just leave it be. It will cause no distress, is not contagious, and willl eventually fall off on it's own.
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I'll try to be nice if you try to be smarter! I can't help that I grow older, but you can't make me grow up! Current Tank Info: 120 mixed reef with 40b sump, RO 150 skimmer, AI Sol Blue x 2, and a 60g Frag Tank with 100g rubbermaid sump. 2 x Kessil A360w lights, BM curve 5 skimmer |
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