Gymnogeophagus balzanii originates from regions in Uruguay that experience a distinct cold season. In order to stimulate breeding behavior, it is beneficial to provide brief drops in temperature during certain times of the year. These fluctuations in temperature can help replicate their natural environmental conditions and trigger their reproductive instincts.

A sandy substrate is essential for keeping Gymnogeophagus balzanii. This species has a unique feeding behavior where they sift through the sand to gather food particles using their gills. The sandy substrate allows them to sift and filter out morsels of food, ensuring their nutritional needs are met. Providing a suitable sandy substrate will help support their natural feeding habits and overall well-being.

Creating an environment that closely resembles their natural habitat is important for the successful care and breeding of Gymnogeophagus balzanii. This includes replicating the appropriate temperature fluctuations and providing the necessary substrate for their feeding behavior. With proper care and attention to their specific requirements, aquarists can enjoy the beauty and unique behaviors of Gymnogeophagus balzanii in their aquarium.