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Ok, this is weird. My foxface has developed two almost perfectly circular impressions on its body, one on both sides. Apologies for the crappy and blue cell phone pictures and ignore what looks like parasites, just dirty glass:
Is there some weird circle-impression-making affliction or pest that is attacking this fish? What could have caused this? You may not be able to make it out, but the marks do appear to be "perfect" circles, and the same size. An obvious cause could be similarly shaped pump/flow inlets that the fish got sucked up against and it left a mark. But I have no such things in my tank. I have an mp40 with a custom anemone guard and two gyres with the standard cages, nothing like this shape. I do have two tangs (the kole was photobombing), but slashes from them would look different. Maybe anemone stings, but perfect circles of the same size? Then I thought maybe it could be from some sort of super sucker snail or conch, but that doesn't make sense and the shape is wrong. Also thought of bite marks, but for the life of me I can't figure out what would be big enough to do this - the kole and the foxface are the two biggest fish in there.
I just noticed these this morning, so they happened sometime in the last 24hours. I give up. What the heck is this?
Is there some weird circle-impression-making affliction or pest that is attacking this fish? What could have caused this? You may not be able to make it out, but the marks do appear to be "perfect" circles, and the same size. An obvious cause could be similarly shaped pump/flow inlets that the fish got sucked up against and it left a mark. But I have no such things in my tank. I have an mp40 with a custom anemone guard and two gyres with the standard cages, nothing like this shape. I do have two tangs (the kole was photobombing), but slashes from them would look different. Maybe anemone stings, but perfect circles of the same size? Then I thought maybe it could be from some sort of super sucker snail or conch, but that doesn't make sense and the shape is wrong. Also thought of bite marks, but for the life of me I can't figure out what would be big enough to do this - the kole and the foxface are the two biggest fish in there.
I just noticed these this morning, so they happened sometime in the last 24hours. I give up. What the heck is this?
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