© 2018 Elsevier Ltd This paper is based on a qualitative study undertaken between April 2016 and February 2017 of key informants and secondary documents concerned with the management of the Welsh marine environment in the pre and post Marine and Coastal Access Act (2009) (MCAA) era. Since taking over direct responsibility for the Welsh marine environment, the Welsh Government has failed to integrate fisheries management and marine conservation as effectively as has been achieved by relevant English authorities, particularly Inshore Fisheries and Conservation Authorities (IFCAs). A key contributing factor to this failure is that, whilst MCAA created a clear statutory framework for England's IFCAs, Welsh Government resisted the imposition of ...