Help identifying cichlids?

[Rochelle]

I have 2 cichlids that I am curious about... Sold as a psuedotropheus elongatus and a fryeri (don't remember what was before it)... But my "elongatus" is showing quite a bit of yellow on his belly. So, I'm confused if he may be a hybrid.

 

[Rochelle]

Same fish

 

[Rochelle]

Fryeri?? If so, which kind??