ID please

  • We are currently upgrading MFK. thanks! -neo
I got him in my big tank with a huge pacu, green terror, and Texas. He swims with the silver dollars but I noticed the fins on the big fish are getting nipped. Someone on piranhakeepers identified him as a pacu of some sort but I'm skeptical.
 
Some silver dollars get that color pattern in them. It usually wears off eventually.

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