however, there was a limited scientific research in the community-based protected areas. We found only a study in Kowang village by Sombatto et al., 2013. Understanding the species diversity in protected areas managed by local people will be useful for decision makers and conservationists to set up a bottom-up fish conservation practice. Therefore, the objective of this paper is to present the diversity of fish species in the community-based protected areas in Wa River, Nan province.