I think the other one (without the Dark Stripe) Is Geophagus Heckelli
That is not a species in the Geophagus genus. heckelli belong to the Acharichthys genus.
That is not a species in the Geophagus genus. heckelli belong to the Acharichthys genus.
It is not A. heckelii. It's one of the two Biotodoma species.