Trophic ecology of Mustelus schmitti (Springer, 1939) in a nursery area of northern Patagonia

► Mustelus schmitti is an opportunistic predator, feeding on a variety of benthic invertebrates. ► The species uses a generalized feeding strategy. ► Diet was influenced by season and individuals' maturity stage. ► Neohelice granulata and polychaete were the principal component of the smoothhound's diet.