amphilophus hybrid.. A lot of amphilophus have "snook mouth" (my terminology lol) when younger.. Here are some shots of my 2 (suspected jagXfestaeXXred devil)
notice the snook mouth?
definitely not A. robertsoni. it certainly appears to be either red devil/midas or a hybrid of some sort with red devil/midas being predominant. it's still young and could be going through one of the many color changes that juvenile red devils go through so I'd give it some time to figure out for sure. I definitely wouldn't be surprised if it were some sort of flowerhorn though with strong red devil qualities.