Abstract
Chemical pollution is, currently, one of the main threats for aquatic mammals. The long-term exposure to micropollutants that may disrupt the homeostasis of an already vulnerable species, like the franciscana dolphin, Pontoporia blainvillei, is of increasingly concern for conservation purposes. Several micropollutants of variate sources and from different classes were already detected in franciscana dolphins’ organs and tissues. Among them persistent organic pollutants, trace-elements, and emerging contaminants were reported in the species, including in fetuses and juveniles. These are immunosuppressants and endocrine disruptors that may add a negative impact to populations’ viability. Therefore, it becomes imperative to understand chemical pollution as a threat to franciscana dolphins and how it reflects on the conservation of the species.
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