Composition, Distribution, Fishing Activities, and Physico-Chemical Characteristics: The Case of Jemma and Wonchit Rivers, Amhara Region, Ethiopia

The distribution of fish species in Jemma and Wonchit Rivers was studied from November 2012 to May 2014 based on samples collected during wet and dry seasons using gillnets of 60, 80, 100, 120 and 140 mm stretched mesh sizes. Labeobarbus intermedius, Labeobarbus nedgia, Heterobranchus longifilis, Bagrus docmak, Varicorhinus beso and Oreochromis niloticus are commercially important fish species found in both rivers of the pooled experimental fish catch.