navajo white bitterling is a fish that is part of the proviso family. It is a freshwater fish that is found in the Colorado River Basin. The navajo white bitterling is a very popular fish in the market for its taste, color, and size. The navajo white bitterling is a member of the catfish family. This fish is a good choice for those who are looking for a fish that is easy to care for and that is also a good source of protein