RESUMEThis plan is a pioneer in the conservation of 3 species of sharks: ‘Carcharhinus porosus’, ‘Carcharhinus longimanus’ and ‘Sphyrna lewini’. On the Colombian Atlantic coast, a 58% reduction in the biomass of sharks and rays has been identified between 1970 and 2007 (García et al., 2007). We have registered a progressive decrease over time of …









