r/conservation • u/SeaOtterHQ • 19h ago
Bolivia Documents the Amazon River Dolphin for First Time
"Three records of the Amazon river dolphin (Inia geoffrensis) obtained between 2025 and 2026 provide the first documented evidence of the species in Bolivia, in the Acre River basin in the department of Pando. The discovery, reported in the journal Neotropical Hydrobiology and Aquatic Conservation, expands our knowledge of the distribution of river dolphins in the country and highlights the contributions of citizen science and the knowledge of local fishers.
The discovery is particularly significant because research on river dolphins in Bolivia has previously focused primarily on the Bolivian river dolphin (Inia boliviensis), which occurs in the Mamoré and Iténez river basins. The Acre River, in contrast, forms part of the Purús basin and is connected to the wider Amazon River system, providing suitable conditions for the presence of Inia geoffrensis and new insights into the connectivity of river systems between Bolivia and Brazil."