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Old 04-17-2015, 12:26 AM   #1
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Spot on my Blue Atlantic Tang

Tonight I noticed a brown spot on my tang. He is very obsessed with the sea weed I put in the tank. To keep the other fish away from it he swims fast by the sea weed and brushes against the sand bed. I think he does this to intimate the other fish. Do you think this is what is causing the spot. He is starting to turn Blue and the spot gets a little lighter as his moods change.

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Old 04-17-2015, 01:01 AM   #2
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A spot like that can't be good. I would want to suspect a fungus or an infection of some sort.
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Old 04-17-2015, 01:03 AM   #3
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what should I do? I don't have a quarantine tank
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Old 04-17-2015, 01:05 AM   #4
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Well, more specific ID will be required and I am far from an expert in matters like this.
Wait until there is a better ID. If it is a fungus or infection it will need to be treated, depending on what it is, but you'll have to set up some sort of setup for it to do so.
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Old 04-17-2015, 01:09 AM   #5
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I have some Selcon to add to the food to help the immune system. I will go to my LFS and show them the picture too. Thanks
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Old 04-17-2015, 12:40 PM   #6
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I woke up this morning and the brown spot was barely noticeable. Would that happen with a fungus infection?

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Old 04-17-2015, 01:02 PM   #7
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is it actually on the fish's skin or in the skin?


if it has already faded, could it just be bruise?
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Old 04-17-2015, 02:43 PM   #8
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I wonder, can a fish have a birth mark. I know it's a stupid question. But the spot gets darker and lighter with his moods. I'm thinking maybe I ll watch it.

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Old 04-17-2015, 03:09 PM   #9
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Sounds like it could be a bruise or an infection under the skin rather than a fungus.


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Old 04-18-2015, 02:31 AM   #10
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Well my tang is ok. The spot disappeared. Who knows. That was weird. I'll keep an eye on him.

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