I've had my tank up for about 2 years now and never had a problem with pests. But I think I might have one now. A couple months ago an acro that was thriving started to STN. I fragged some pieces once it started spreading. Now the frags have STN as well and I see what looks like a pest.
Please help me ID the pests on the back frag. They are really small so zoom in. And also any options for treatment.
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