The striped smooth-hound (Mustelus fasciatus) is a houndshark of the family Triakidae, found on the continental shelves of the subtropical southwest Atlantic from southern Brazil to northern Argentina between latitudes 30° S and 47° S, from the surface to 250 m. It can grow up to a length of 1.5 m. The reproduction of this shark is Ovoviviparous, with the length at birth up to 39 cm.