Description Spotted Flathead Catfish (Platysilurus mucosus) Origin: Wild Peru Locale: Rio Amazonas outside Iquitos Diet: Predator and fish eater. Will accept sinking frozen and prepared foods in the aquarium Adult Size: 8″ Recommended Tank Size: 90 gallons Compatibility: Predatory towards any fish small enough to be eaten but otherwise peaceful Preferred Water Parameters pH:                          6.0 – 7.5 Temp:                     78-82F Ammonia:              0ppm Nitrite:                    0ppm Nitrate:                  <30ppm