Seco Pon, J.P. and Favero, M. 2015. South American sea lions (Otaria flavescens) and killer whales (Orcinus orca) attending chub mackerel (Scomber japonicus) commercial trawl fisheries over the Patagonian Shelf: a first report. Latin American Journal of Aquatic Mammals. 10, 1 (Aug. 2015), 48-51. DOI:https://doi.org/10.5597/lajam00193.