Since 2010 there was no updated data on river dolphin species in South America on the platforms of the International Union for Conservation of Nature (IUCN) and in the National Action Plan (NAP) for the Conservation of Endangered Marine Cetaceans. extinction, coordinated by ICMBio.
Spatial distribution data was updated by a study led by the Rio de Janeiro South America Dolphin Initiative (SARDI), which brought together 42 specialists from 6 countries.