“…In the analyzed sambaquis' records, five individuals were small cetaceans (Delphinidae and the common bottlenose dolphins, Tursiops truncatus) and all individuals of Eubalaena australis were young. As sambaqui builders lived mainly in environments close to the sea and had advanced technology and strategy for fishing, possessing braided fibre nets, weights, stakes, hooks, harpoons/spears, and boats (Calippo 2011, Barbosa-Guimarães 2013, Ferreira et al 2018, 2019, Wagner et al 2020, Fossile et al 2023a, they had the necessary toolkit to actively hunt smaller-sized cetaceans, in the same way that they also exploited a diversity of sharks and rays, exemplifying hunt/fisheries of large/ medium specimens/individuals (Lopes et al 2016, Fossile et al 2020. However, these animals may also have been bycatch, which is more significant on small cetaceans such as dolphins and whale juveniles or calves, which are more likely to become entangled in nets than larger animals (Knowlton et al 2012, Brownell Jr. et al 2019.…”