Hyphessobrycon herbertaxelrodi\nThe Black neon tetra requires the following aquarium conditions:\n\nRecommended min. aquarium volume for a group of 6 is about 15 US gallons (60 L), and for a group of 8-10 fishes about 20 gallons.\npH 5 - 7\ndH (hardness) 1 - 2\nTemperature 20–26 °C (68–79 °F)\nBest in Groups of 6