Coastal elasmobranchs tend to be upper-level predators, which may exert top-down impacts on the systems they inhabit; but there remains much to learn about their trophic ecology. In this chapter, we update our knowledge on the trophic interactions of coastal elasmobranchs as prey, predators, and competitors. We also explore factors that affect these relationships and elasmobranch interactions within key coastal habitats.
