Published online on 28. August 2015 Connectivity in grey reef sharks (Carcharhinus amblyrhynchos) determined using empirical and simulated genetic data Paolo Momigliano, Robert Harcourt, William D. Robbins, Adam Stow ABSTRACT: Grey reef sharks (Carcharhinus amblyrhynchos) can be one of the numerically dominant high order predators on pristine coral reefs, yet their numbers have declined even