International Science Community Association International Research Journal of Biological Sciences 2278 - 3202 5 7 2016 07 10 Fish Diversity of River Pachin, Eastern Himalaya 20 25 EN S.R.* Sarmah 1 Mycology and Microbiology Department, Tocklai Tea Research Institute (TTRI), Tea Research Association (TRA), Jorhat 785008, Assam, India P. Dutta 2 Mycology and Microbiology Department, Tocklai Tea Research Institute (TTRI), Tea Research Association (TRA), Jorhat 785008, Assam, India P.N. Bhattacharyya 3 Mycology and Microbiology Department, Tocklai Tea Research Institute (TTRI), Tea Research Association (TRA), Jorhat 785008, Assam, India B. Payeng 4 Mycology and Microbiology Department, Tocklai Tea Research Institute (TTRI), Tea Research Association (TRA), Jorhat 785008, Assam, India A.J. Tanti 5 Mycology and Microbiology Department, Tocklai Tea Research Institute (TTRI), Tea Research Association (TRA), Jorhat 785008, Assam, India Trune Pao Ngakhainii 1 Department of Environmental Studies, North-Eastern Hill University, Shillong-793022, Meghalaya, India Krishna Upadhaya 2 Department of Basic Sciences and Social Sciences, North-Eastern Hill University, Shillong-793022, Meghalaya, India Mir Aabid Hussain 3 Department of Environmental Studies, North-Eastern Hill University, Shillong-793022, Meghalaya, India Dinesh M.D.1* 1 Department of Microbiology, Pazhassiraja College, Pulpally, Wayanad, Kerala, India Prasanta Nanda 1 Department of Zoology, D.N. Government College, Itanagar, Arunachalpradesh, India-791113 > Research Paper 2016 5 15 2016 07 10 A survey of fish diversity of river Pachin of Arunachal Pradesh was done from July2014 to June 2015.45 numbers of species belonging to 34 genera and 14 family were recorded. Cyprinidae family was represented by maximum number of species followed by Balitoridae. Endangered fish like Tor putitora was abundant where as Amblyceps arunachalensis was rare during the catch. Copyright@ International Science Community Association