Description Ripsaw / Niger Catfish (Oxydoras niger) Origin: Wild Peru Locale: Rio Amazonas outside Iquitos Diet: A gentle giant, mostly feeds on insects and crustaceans in the wild. Will accept most sinking foods in the aquarium Adult Size: A truly giant 30″ in the wild Recommended Tank Size: Ideally suited to only the largest custom aquariums or indoor ponds Compatibility: Peaceful towards nearly all tankmates. Preferred Water Parameters pH:                          6.0 – 7.5 Temp:                     76-82F Ammonia:              0ppm Nitrite:                    0ppm Nitrate:                  <30ppm   Shipping Note: Due to size, the need for extra packing, and space requirements, larger sizes may not be eligible for our flat rate shipping. We strongly recommend shipping large fish via air cargo when possible. Please contact us for a quote or for additional shipping info.