Apistogramma sp. “Maulbruter”, the one and only

The Mouthbrooder were well conditioned upon a diet that consisted primarily of live foods such as Grindal worm, Daphnia, brine shrimp (Artemia) nauplii, and whiteworm. These live foods were offered twice daily and eagerly accepted, along with occasional offerings of dry granulated foods.
https://www.freewebs.com/microman1/documents/2007%20Breeze,M.Apisto.sp.Maulbruter.pdf