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The [[Amazon river dolphin]] (''Inia geoffrensis'') thrives in fresh water, is endemic of the Amazon basin, and is placed in the [[Data Deficient]] category of the IUCN.<ref name=iucn Inia geoffrensis>{{IUCN2012.2|assessors=Reeves, R.R., Jefferson, T.A., Karczmarski, L., Laidre, K., O’Corry-Crowe, G., Rojas-Bracho, L., Secchi, E.R., Slooten, E., Smith, B.D., Wang, J.Y. & Zhou, K.|year=2011|id=10831|title=Inia geoffrensis|downloaded=18 January 2013}} Database entry includes a lengthy justification of why this species is data-deficient.</ref>
The [[Amazon river dolphin]] (''Inia geoffrensis'') thrives in fresh water, is endemic of the Amazon basin, and is placed in the [[Data Deficient]] category of the IUCN.<ref name=iucn Inia geoffrensis>{{IUCN2012.2|assessors=Reeves, R.R., Jefferson, T.A., Karczmarski, L., Laidre, K., O’Corry-Crowe, G., Rojas-Bracho, L., Secchi, E.R., Slooten, E., Smith, B.D., Wang, J.Y. & Zhou, K.|year=2011|id=10831|title=Inia geoffrensis|downloaded=18 January 2013}} Database entry includes a lengthy justification of why this species is data-deficient.</ref>


The [[Araguaian river dolphin]] (''I. araguaiaensis'') is a newly identified species native to the [[Araguaia River|Araguaia]]-[[Tocantins River|Tocantins]] basin of [[Brazil]].<ref name="Hrbek2014">{{Cite doi|10.1371/journal.pone.0083623}}</ref>
The [[Araguaian river dolphin]] (''I. araguaiaensis'') is a newly identified species native to the [[Araguaia River|Araguaia]]-[[Tocantins River|Tocantins]] basin of [[Brazil]].<ref name="Hrbek2014">{{Cite journal | last1 = Hrbek | first1 = Tomas| last2 = Da Silva | first2 = Vera Maria Ferreira| last3 = Dutra | first3 = Nicole| last4 = Gravena | first4 = Waleska| last5 = Martin | first5 = Anthony R.| last6 = Farias | first6 = Izeni Pires| editor1-last = Turvey | editor1-first = Samuel T.| title = A New Species of River Dolphin from Brazil or: How Little Do We Know Our Biodiversity| url = http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0083623| doi = 10.1371/journal.pone.0083623 | journal = [[PLOS ONE]] | volume = 9 | pages = e83623 | date = 2014-01-22| pmid = | pmc = }}</ref>


The [[La Plata dolphin]] (''Pontoporia blainvillei''), another vulnerable Brazilian denizen, is a [[Marine (ocean)|marine]] river dolphin that ranges from [[Espírito Santo]], Brazil, to the south.<ref name=iucn Pontoporia blainvillei>{{IUCN2012.2|assessors=Reeves, R., Dalebout, M., Jefferson, T.A., Karkzmarski, L., Laidre, K., O’Corry-Crowe, G., Rojas-Bracho, L., Secchi, E., Slooten, E., Smith, B.D., Wang, J.Y. , Zerbini, A.N. & Zhou, K.|year=2012|id=17978|title=Pontoporia blainvillei|downloaded=18 January 2013}} Database entry includes a brief justification of why this species is of vulnerable.</ref>
The [[La Plata dolphin]] (''Pontoporia blainvillei''), another vulnerable Brazilian denizen, is a [[Marine (ocean)|marine]] river dolphin that ranges from [[Espírito Santo]], Brazil, to the south.<ref name=iucn Pontoporia blainvillei>{{IUCN2012.2|assessors=Reeves, R., Dalebout, M., Jefferson, T.A., Karkzmarski, L., Laidre, K., O’Corry-Crowe, G., Rojas-Bracho, L., Secchi, E., Slooten, E., Smith, B.D., Wang, J.Y. , Zerbini, A.N. & Zhou, K.|year=2012|id=17978|title=Pontoporia blainvillei|downloaded=18 January 2013}} Database entry includes a brief justification of why this species is of vulnerable.</ref>

Revision as of 08:55, 29 August 2015

An Amazon river dolphin

Boto is a Portuguese name given to several types of dolphins and river dolphins native to the Amazon and the Orinoco River tributaries. A few botos exist exclusively in fresh water, and these are often considered primitive dolphins.

Classification

The botos are a paraphyletic group, defined largely by their evolutionary convergences.

The genus Sotalia is divided into two species. The costero (S. guianensis) is distributed in the Atlantic, from Florianópolis in Santa Catarina, Brazil and northwards. The tucuxi (S. fluviatilis) lives in the rivers of the Amazon.

Burmeister's porpoise is marine and lives from Santa Catarina to the south.

The Amazon river dolphin (Inia geoffrensis) thrives in fresh water, is endemic of the Amazon basin, and is placed in the Data Deficient category of the IUCN.Cite error: The <ref> tag has too many names (see the help page).

The Araguaian river dolphin (I. araguaiaensis) is a newly identified species native to the Araguaia-Tocantins basin of Brazil.[1]

The La Plata dolphin (Pontoporia blainvillei), another vulnerable Brazilian denizen, is a marine river dolphin that ranges from Espírito Santo, Brazil, to the south.Cite error: The <ref> tag has too many names (see the help page).

References

  1. ^ Hrbek, Tomas; Da Silva, Vera Maria Ferreira; Dutra, Nicole; Gravena, Waleska; Martin, Anthony R.; Farias, Izeni Pires (2014-01-22). Turvey, Samuel T. (ed.). "A New Species of River Dolphin from Brazil or: How Little Do We Know Our Biodiversity". PLOS ONE. 9: e83623. doi:10.1371/journal.pone.0083623.{{cite journal}}: CS1 maint: unflagged free DOI (link)