Animalia > Chordata > Mammalia > Cetacea > Iniidae > Inia > Inia geoffrensis

Inia geoffrensis (Pink River Dolphin; Amazon River Dolphin; boto; boutu)


Wikipedia Abstract

The Amazon river dolphin (Inia geoffrensis), also known as the boto, bufeo or pink river dolphin, is a species of toothed whale classified in the family Iniidae. Three subspecies are currently recognized: I. g. geoffrensis (Amazon river dolphin), I. g. boliviensis (Bolivian river dolphin) and I. g. humboldtiana (Orinoco river dolphin). The three subspecies are distributed in the Amazon basin, the upper Madeira River in Bolivia, and the Orinoco basin, respectively.
View Wikipedia Record: Inia geoffrensis


Inia geoffrensis boliviensis (Bolivian River Dolphin)
Inia geoffrensis geoffrensis (Amazon River Dolphin)
Inia geoffrensis humboldtiana (Orinoco River Dolphin)

Endangered Species

Status: Endangered
View IUCN Record: Inia geoffrensis

EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Not determined do to incomplete vulnerability data.
ED Score: 35.79


Gestation [3]  9 months 17 days
Litter Size [3]  1
Litters / Year [2]  1
Maximum Longevity [3]  31 years
Snout to Vent Length [2]  8.397 feet (256 cm)
Speed [5]  13.981 MPH (6.25 m/s)
Water Biome [1]  Lakes and Ponds, Rivers and Streams, Temporary Pools
Adult Weight [2]  279.989 lbs (127.00 kg)
Birth Weight [3]  14.992 lbs (6.80 kg)
Female Weight [2]  220.463 lbs (100.00 kg)
Male Weight [2]  339.514 lbs (154.00 kg)
Weight Dimorphism [2]  54 %
Diet [4]  Carnivore (Invertebrates), Piscivore
Diet - Fish [4]  90 %
Diet - Invertibrates [4]  10 %
Forages - Marine [4]  100 %
Female Maturity [2]  5 years
Male Maturity [2]  5 years

Protected Areas


Biodiversity Hotspots

Name Location Endemic Species Website
Cerrado Brazil No

Prey / Diet

Paracheirodon innesi (Piaba)[6]
Phractocephalus hemioliopterus (Redtail catfish)[5]
Podocnemis sextuberculata (Six-tubercled Amazon River Turtle, Amazon River Turtle)[5]
Poppiana argentiniana[5]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Caiman crocodilus (Common caiman, Spectacled caiman)1


Parasitized by 
Anisakis insignis[7]
Hunterotrema caballeroi[7]
Hunterotrema macrosoma[7]
Pholeter gastrophilus[5]

Range Map

External References


Attributes / relations provided by
1Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at
2Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
3de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
4Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
5Inia geoffrensis, Robin C. Best and Vera M. F. da Silva, MAMMALIAN SPECIES No. 426, pp. 1-8 (1993)
6Animals of the Rainforest
7Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2019). GBIF Backbone Taxonomy. Checklist dataset accessed via on 2020-03-21; License: CC BY 4.0