Inia geoffrensis

Inia geoffrensis

Geoffrensis inia

@Inia geoffrensis

Geographic Range Inia geoffrensis boto or Amazon River dolphin can be found in the Amazon and Orinoco river basins and their main tributaries in Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela.

Their distribution covers approximately 7 million square kilometers and is limited mainly by marine waters, impassable rapids, waterfalls, and excessively shallow parts of the rivers. Three subspecies are recognized, with each subspecies occupying a different area of these river systems: I. The current distribution of this species does not appear to differ significantly from its estimated distribution in the past.

The water level cycle exerts the strongest influence on...

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During the last ten years genetic studies have been conducted that have allowed to define the taxonomy of river dolphin species in South America. Currently, four species of dolphins are proposed: the bufeo or boto Inia geoffrensisthe Bolivian dolphin Inia boliviensisinia geoffrensis river dolphin Araguia Inia araguiaensis and the tucuxi or gray dolphin Sotalia fluviatilis. In the case of the Araguia river dolphin, the taxonomy committee of the Marine Mammal Society recommends carrying out more analyzes, increasing the number of samples and covering the entire distribution range in order to guarantee the new species.

Likewise, a research group is in...

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  • ADW: Inia geoffrensis: INFORMATION
  • Amazon river dolphin (Inia geoffrensis)
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