Marine mammal occurrence in deep waters of the Brazil-Malvinas confluence off Argentina during summer 17 de octubre de 2019 Gabriela F. Ruellan M. Agustina Mandiola, Gisela V. Giardino, Julián Bastida, Diego H. Rodríguez, Ricardo O. Bastida Nota Palabras clave: Arctocephalus australis, Brazil-Malvinas Confluence, Cetaceans, cetáceos, Convergência Brasil-Malvinas, pinípedes, pinnipeds, predadores topo, top predator