Distribution and population structure of the pelagic stingray, Pteroplatytrygon violacea (Dasyatidae), in the south-western AtlanticRodrigo Forselledo, Maite Pons, Philip Miller and Andrés DomingoAquat. Living Resour., 21 4 (2008) 357-363DOI: https://doi.org/10.1051/alr:2008052