Name: Nannostomus sp (Redbull Pencil Fish) A new variant that was recently discovered. Very similar to the Nannostomus Trifasciatus, the Redbull has a red band from its tail to gills and striking blue coloration on the fins. If you haven't got this pencil in your collection, click and order it now! Size: 3 - 3.5cm Water Parameters pH: 6 - 7 gH: 0 - 6 Temperature: 24 - 29 degrees celsius Shrimp friendly: No