Red Head Tapajos "Geophagus sp." bio balls The back half of the

The back half of the body is silver

so if keeping a group the tank size should be no less than 75 gallons and should have plenty of rock for the fish to establish territory

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For best care

Red Head Tapajos "Geophagus sp." bio balls The back half of theTapajos require an aquarium of at least 55 gallons and should be provided with a fine, sand substrate and multiple places where they can find shelter (driftwood, rock structures, or dense vegetation). Tapajos will sift and burrow through substrate and have been known to snack on some live plant species, so live plants that attach to driftwood and rocks, or potted plants are recommended. They prefer warm, soft, acidic, and clean water as well as areas