For decades the two species have accidentally or purposefully been crossed, or not been even recognized as separate species, so if you got it from basic LFS or aquarist that didn't get it from a recognized cichlid breeder, expert like Rapps (etc), it is probably best to assume it is a aquarium strain cross.
Here is an H carpintus "laguna Chairel".
all shots are of the same male, in different moods, and different developmental stages.
now just for comparison, a pair of H tamasopoensus
I have also kept minckleyi and cyanoguttatus, and at certain stages of development, nearly impossible to discern between them (for me), unless placed in tanks right next to each other
below minckeyi (detritivorous version)