I was picking up a few pieces of LR the other day from my fish guy, and while looking through one of the tanks I noticed a small yellow and red fish dart out of the rock. I asked him what it was and he said he couldn't remember the name because it was unusual. The top of the fish was yellow and the bottom half red. It was small, about the size of a neon tetra. Does anybody have an idea what it is? And if so, maybe some care tips.

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30 gallon reef with softies.
10 gallon quarantine.
5 gallon Hex for my betta and ghost shrimp.

I saw the fish again and realized the top was purple not red. After a little more research I have decided that it is a diadema dottyback. The one I saw was just very young. A couple of new diademas were brought in while I was there today and the one I saw was tiny compared to the grown ones.

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30 gallon reef with softies.
10 gallon quarantine.
5 gallon Hex for my betta and ghost shrimp.

Have you got a pic?

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Love me love my aquariums.