2012 - 2013 Centre for Environment, Fisheries & Aquaculture Science (Cefas) Monitoring Thornback Ray Movements & Assessing Stock Levels 2012/13 - Fisheries Science Partnership

The primary aim of this Fisheries Science Partnership project was to monitor spatial movements of thornback ray ( Raja clavata ) from three inshore regions along the coast of East Anglia, with the prospect of understanding stock structure in ICES Division IVc better. Additional data were collected on catch rates, size and sex composition, maturity stage, health condition and clasper length (males). Three study sites were chosen and surveyed:

( 1.)Lincolnshire to Northwest Norfolk (Skegness to Wells) ( 2.)Northeast Norfolk (Blakeney to Great Yarmouth) ( 3.)South Suffolk (Felixstowe to Lowestoft).