A New Record of a Nonnative Bivalve Species in an Amazonian Environmental Protection Area: What Might Have Happened?

Corbicula fluminea is an Asian mussel that has aggressively invaded freshwater habitats worldwide, causing damage both economically and with the disappearance of native species. In Brazil, this species present in almost all watersheds, including areas Federal Conservation Units. context, work reported first record C. Carajás mosaic, Pará, a Area. Collections were made September February 2021 May 2022. total, 154 specimens collected. The size range was 16 to 28 mm shell length 1.46 5.91 g wet weight. This new extends distribution South America tropical watersheds Brazil federal protected areas, highlighting need for large-scale knowledge environmental economic changes can cause.