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My first guess is a Bolivian ram because of the spot on the center if it's body, if you could ask tour friend if the fish has 'zorro' type mark on its eye then its more than likely a bolivian ram. Really hard to tell though.
I just watched a sand replacement video from Cbourg746 and he looked to have similar looking fish (cichlids). Here's the vid. Festae grow outs 75 gallon - YouTube