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Old 02-09-2003, 09:29 PM   #1
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please help!!! sick tang

My koles tang is sick and Im not sure what it is or what i need to do. today i was looking at the fish and i saw a dark spot on his side fin. it looks like a small black ball stuck on him. after looking closer i noticed he had some fuzzy spots by the base of his tail and on his side, he also has what looks to be a small pin sized hole in his top fin. i watched him swim around for a little while and he seemed to swim crooked and was tring to "rub" up against the rocks and the glass. i took him out of the main tank and put him in the hospital tank. i treated him with E.M. tablets and he seems to be swimming better already.

have i done the right thing if not what should i do.

could what he has have spread to the other fish?

this is my first sick fish and i'm not sure what to do!!!

Please help!!!
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Old 02-09-2003, 09:46 PM   #2
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A FW dip (for up to 5 minutes) will be a better treatment. Do it now before it gets worse. The black spots are easier to cure than white and the white wil spread to your whole tank if not caught in time.
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Old 02-09-2003, 10:14 PM   #3
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so just put him in a tank with pure FW for 5 min. do you have any idea what this is? do i have to have any worries about it spreading to the other fish in the main tank? after the FW did how long should i kept him in the hospital tank?

Thanks for the help!!!
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Old 02-09-2003, 10:44 PM   #4
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Adjust your FW to the same temp and pH. The white spots are marine Ich. The black spots are a common parasite of Tangs. After the dip, keep him in the HT until you are sure the spots are gone. A couple cleaner shrimp in the main tank wouldn't hurt. Here is a link that describes the diseases. http://www.seasky.org/aquarium/sea3e...ish%20Diseases
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Old 02-09-2003, 11:22 PM   #5
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i tried the FW dip for about 20 seconds and the fish stopped moving and floated to the top so i took him out. is this normal and should i just let it go or did i do something wrong?
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Old 02-10-2003, 12:00 AM   #6
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A FW dip is stressfull. A fish that is weakened may find it too stressfull as yours did. I would let it build strength and try again later.
I might add that all I've done is research onthe web and read reefrunner's posts on the subject. I'm no expert on fish disease. Only had Tang black spot once and the Tang kicked it in it's own.

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Old 02-10-2003, 11:20 AM   #7
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Only had Tang black spot once and the Tang kicked it in it's own.
My experience with black ick as well. Black ick is actually a parsitic worm, that usually dies off in a month or so. However, from the description...I'm not convinced the tang has black ick, it is usually present on the body of the fish rather than the fins, since it is an internal parasite. If the fish is removed to a hospital tank...I would begin treating the marine ick (white ick) with copper sulfate at a concentration of .15 - .20 ppm. I would really like to see a pic...if you can get one. The quick recovery after the use of E-mycin would be indicitive of a bacterial "fungus" infection.
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Old 02-10-2003, 11:39 AM   #8
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i do not have a camera to get a pic. sorry.

so you would treat it with copper and not a FW bath.

there is only one black spot on the front fin. and the others are not spots as much as the are a discolored patch. the patches are very hard to see and you have to look very close to even see them.

what should i do?

the fish seems to be "healthy" besides the "scratching" on the rocks.

should i worry about the other fish gettinf this too?

thanks for the response!!!
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Old 02-10-2003, 11:46 AM   #9
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there is only one black spot on the front fin. and the others are not spots as much as the are a discolored patch. the patches are very hard to see and you have to look very close to even see them.
This could be indicitive of a bacterial infection, or simply missing scales from scratching on the rocks.

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the fish seems to be "healthy" besides the "scratching" on the rocks.
This is a behavioral ssign of many parasites ick and velvet being the two most common. This is usually also visible, before the spots are. To be safe, I would probably treat with copper. Kole tangs are known as the "Typhoid Mary" of ick

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so you would treat it with copper and not a FW bath.
I would. I am not a big fan of the FW dip, but I do acknowledge it's usefulness in some instances.
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Old 02-12-2003, 08:42 PM   #10
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the tang is still alive, but things have changed today!!! the black spot is no longer black!!! I has changed to a fuzzy white spot, and aalmost doubled in size. as for the spots by his tail, they are gone, but he has developoed what apperers to be a large pale spot on the side of his body. this spot also seems to have a fuzzy thing around the very edges. any ideas on what to do?
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