Curious spot on purple tang

Slatin

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Just trying to see if anyone has any idea what this could be. Some background is my tank was fallow for 90+ days after an ich / velvet outbreak. Purchased all new fish from a reputable online QT service and added Friday. Woke up this morning to find this. I do have a bubble tip anemone in the tank that survived the fallow. All fish seem to be acting normal and eating normal.
0D14F6A6-8C65-4784-BD0B-D13C41C50AA4.jpeg
 
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Jay Hemdal

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Just trying to see if anyone has any idea what this could be. Some background is my tank was fallow for 90+ days after an ich / velvet outbreak. Purchased all new fish from a reputable online QT service and added Friday. Woke up this morning to find this. I do have a bubble tip anemone in the tank that survived the fallow. All fish seem to be acting normal and eating normal.
0D14F6A6-8C65-4784-BD0B-D13C41C50AA4.jpeg
Do you have another tang in with it? I’ve seen spots like that from tail spine strikes.
Jay
 

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Just a similar picture. Recently my BTA went on another of his twice a year walkabouts. (Stupid nem, always brings himself right back to where he started from.;Meh) During this, my Foxface decided he wanted to be a clown fish and tried sleeping in it. Ended up with 3 similar spots. Only lasted one day.
IMG_8270.JPG
 

Jay Hemdal

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I have a two spot and a fox face rabbit in with it. I was wondering if it could be a spine strike or maybe a stress spot.
I've heard of tangs getting jabbed by siganids - foxface and such. Is is rarer than tang strikes, but it does happen. The reason I'm leaning that way is the circular hole with the blanching around it pretty much cries out physical injury. The other post seems to indicate that BTA can do this also, I've not seen that, but I haven't kept many fish other than clowns in with BTA over the years....

Jay
 
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What is your most favorite type of shrimp for your reef tank?

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