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Sorry for the bad pics. I have yellow labs and they look different from this fish. He/she doesn't have the usual black line on the edge of the top fin and it's body shape is different more like the fish in the 2nd pic.
The fish in the second pic is definitely an albino of some sort as it has red eyes.
Could be an electric yellow or a male Kenyi or a female bumblebee not showing any colors. It's hard to judge that fish at all. Try and get a better pic if you can
The mouth structure alone of the yellowish fish completely rules out it being a yellow lab (those are metriaclima algae-grazing chops right there, and yellow labs aren't algae grazers); I agree with cichlid-dude: male kenyi.