[alezard]

Please see the picture below, are these two mbunas showing some type of lip deformity? It looks almost like parrot fish lips...

 

[noki]

The right circled one is Labeotropheus, or at least part. And the blotchy OB one under the pale yellow male. They have a natural overbite with a fleshy nose.

The left pale yellow male not sure, can't see very well. Deformities are not unusual or rare or in tank raised cichlids.