Minimum Tank Size: 3 gal 11 L One male can be kept in a 3 gallon tank, but a pair or in a group it will do best in a 5 10 gallon aquarium. Suitable for Nano Tank: YesSubstrate Type: AnyLighting Needs: Moderate normal lightingTemperature: 75. 0 to 86. 9 to 30. 0anddeg C Keep the encircling room temperature according to the water temperature to avoid causing trauma to the labyrinth organ. Breeding Temperature: 80.