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Bolivian River Dolphin

Mammals

The Bolivian river dolphin (Inia boliviensis) is a freshwater dolphin of the upper Madeira River basin in the Bolivian Amazon, where it is known locally as the bufeo. The French naturalist Alcide d'Orbigny described it after exploring Bolivia between 1831 and 1833. It was long treated as a synonym of the Amazon river dolphin and was restored to species rank in the 1970s on the evidence of tooth counts and skull shape. Rapids and waterfalls on the Madeira River separate it from the Amazon river dolphin, and it is described as having more teeth, a smaller skull and a longer body. Whether it is a species or a subspecies is unsettled, because the IUCN and the Society for Marine Mammalogy treat it as the subspecies Inia geoffrensis boliviensis. Overfishing, deforestation and hydroelectric dams threaten it, and Bolivia protected it by law in 2012.

Facts
Classification
Diet
Carnivore 1
Population Trend
Decreasing 1
System (Realm)
Freshwater 1
Threats
Biological Resource Use 1
Threats
Natural System Modifications 1
Relationship to People
Hunted or Fished 2
Living or Extinct
Yes 1
Comparison
CITES Appendix
Appendix I 2
Conservation Status
Data Deficient 2
Connections

Child Taxon Of

Inia, Taxa
Source Bolivian river dolphin (Wikipedia)
Iniidae, Taxa
Source Iniidae - Wikipedia

In Biome

Freshwater, Biomes
Source Bolivian river dolphin (Wikipedia)
River, Biomes
Source Bolivian river dolphin (Wikipedia)

In Ecosystem

Source Bolivian river dolphin (Wikipedia)
In the Other Atlases

Found In

Also in Geography Atlas: where this subject is found.

Source Bolivian river dolphin (Wikipedia)Description
Quote, Description
Locally known as bufeos, it is found in some rivers in the Upper Madeira Basin of the Bolivian Amazon.
Sources
1. Bolivian river dolphin (Wikipedia)
  • Lead
    is a species (Inia boliviensis) or subspecies (Inia geoffrensis boliviensis) of freshwater dolphin found in upstream areas of the Amazon Basin.
  • Taxonomy, Species designation
    much of the scientific community, including the IUCN, consider them to be a subspecies of Inia geoffrensis
  • Behavior
    Necropsies have shown the Bolivian river dolphin diet includes a variety of different species of fish, as well as crabs.
  • Threats
    Overfishing, deforestation, and hydroelectric construction are all major factors in the current population decline.
  • Conservation
    Since the construction of the two hydroelectric dams in the segment of river where Bolivian river dolphins are found in 2008, the movement of the river has been blocked into two reservoirs
  • Description
    Locally known as bufeos, it is found in some rivers in the Upper Madeira Basin of the Bolivian Amazon.
View the Source
2. Global Biodiversity Information Facility: GBIF species descriptions: Inia boliviensis
Global Biodiversity Information Facility
  • Status and Conservation
    CITES Appendix I.
  • Status and Conservation, conservation status
    Classified as Data Deficient on The IUCN Red List (as I. geoffrensis boliviensis).
  • Status and Conservation, human impact
    So far, the only known human impact on the Bolivian Botois entanglement in monofilament gillnets.
View the Source
Iniidae - Wikipedia
  • Child Taxon Of: Iniidae, Taxonomy
    Inia boliviensis
  • Child Taxon Of: Iniidae, Lead (family contains the genus Inia, to which this species belongs)
    Iniidae is a family of freshwater river dolphins containing one living genus, Inia, and four extinct genera.
View the Source
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