Aquaculture Research, 2012, 1–20 doi:10.1111/are.12000 Impacts of decentralized fish fingerling production in irrigated rice fields in Northwest Bangladesh Mohammad Mahfujul Haque1,2, David C Little1, Benoy K Barman3, Md Abdul Wahab4 & Trevor C Telfer1 1 Institute of Aquaculture, University of Stirling, Scotland, UK 2 Department of Aquaculture, Bangladesh Agricultural University, Mymensingh