author(s)
Abdul Wahab and Ali Muhammad Yousafzai

abstract
Present study was conducted to assess the family Sisoridae diversity in River Panjkora, Pakistan during 2012-2015. A total of 115 specimens representing 2 genera and 5 species, Glyptothorax cavia, Glyptothorax. kashmirensis, Glyptothorax naziri, Glyptothorax punjabensis and Glyptosternon reticulatum, of the family were recorded. The most abundant species was Glyptothorax naziri with a relative density of 43.46 and relative frequency of 35.29. The second abundant species in the area was Glyptothorax punjabensis with relative density (RD) of 35.60 and relative frequency (RF) value of 35.29. The least found species in the area is Glyptothorax kashmirensis with a RD of 1.72 and RF 5.88. Glyptothorax kashmirensis was reported for the first time from River Panjkora and even from Khyber Pakhtunkhwa, Pakistan.