Amazon river dolphin

This diurnal freshwater species is a piscivore and sits at the carnivore trophic level. It is listed as Endangered (EN) on the IUCN Red List, a threatened category, and has a gestation period of 299.2 days with 1 young per litter.

Weight

98.5 kg – 154 kgsrc for Weight

Length

2.5 msrc for Length

Lifespan

30 years – 31.3 yearssrc for Lifespan

Diet

Piscivoresrc for Diet

Main food

vertebratessrc for Main food

Habitat

freshwatersrc for Habitat

Gestation

299 days – 365 dayssrc for Gestation

Young per litter or clutch

1src for Young per litter or clutch

Age at maturity

5 yearssrc for Age at maturity

Litters or clutches a year

0.667src for Litters or clutches a year

Active

By day (diurnal)src for Active

Lifestyle

Marinesrc for Lifestyle

Conservation status

Endangered (IUCN)src for Conservation status

Countries on record

Not recorded

Not recorded

The amazon river dolphin is listed as Endangered on the IUCN Red List: it faces a very high risk of extinction in the wild.

1. LCLeast Concern
2. NTNear Threatened
3. VUVulnerable
4. ENEndangered
5. CRCritically Endangered
6. EWExtinct in the Wild
7. EXExtinct

Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Endangered species.

1. kingdomAnimalia
2. phylumChordata
3. classMammalia
4. orderCetacea
5. familyIniidae
6. genusInia
7. SpeciesInia geoffrensis (Blainville, 1817)

Synonyms Delphinorhynchus geoffroyi, Delphinus frontatus, Delphinus geoffrensis, Delphinus geoffroyi, Delphinus geoffroyi, Delphinus inia, Delphinus rostratus, Inia amazonicus, Inia araguaiaensis, Inia geoffrensis humboldtiana, Inia geoffroyensis, Inia geoffroyi, Inia geoffroyii, Inia humboldtiana, Sotalia pallida

Catalogue of LifeWikipediaiNaturalistWikidataWoRMSIUCN Red List

CompareAmazon river dolphin vs Brachydelphis jahuayensisAmazon river dolphin vs Kwanzacetus khoisani

• An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
  Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1
• Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
  Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
• Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
  Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence).
• EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
  Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1
• Wikidata · CC0 1.0 · 2026-11-11
  Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service).
• Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
  Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).

@misc{amazon_river_dolphin_2026,
  title = {Amazon river dolphin (Inia geoffrensis)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/amazon-river-dolphin},
  note = {Data as of 2026-11-11}
}