Sotalia fluviatilis

(P. Gervais & Deville, 1853)

Tucuxi

Taxonomy

Subclass : Theria
Infraclass : Placentalia
Magnorder : Boreoeutheria
Superorder : Laurasiatheria
Order : Artiodactyla
Suborder : Whippomorpha
Infraorder : Cetacea
Parvorder : Odontoceti
Superfamily : Delphinoidea
Family : Delphinidae
Subfamily : Delphininae
Genus : Sotalia

Species status

Living
Found in the wild
Listed in MSW3 2005

Authority citation

<i>In</i> Gervais, Bull. Soc. Agric. Herault, 148

Original name as described

Delphinus fluviatilis

Other common names

Brazilian Dolphin · Gray River Dolphin

Type material

MNHN JAC 1880-550

Type kind

holotype

Type locality

Río Marañón above Pebas, Loreto, Peru.

Biogeographic realm

Neotropic

Country distribution

Brazil · Colombia · Ecuador · Peru

Taxonomy notes

previously included S. guianensis

Taxonomy notes citation

Caballero, S., Trujillo, F., Vianna, J. A., Barrios‐Garrido, H., Montiel, M. G., Beltrán‐Pedreros, S., ... & Baker, C. S. (2007). Taxonomic status of the genus Sotalia: species level ranking for "tucuxi"(Sotalia fluviatilis) and "costero"(Sotalia guianensis) dolphins. Marine mammal science, 23(2), 358-386.

IUCN Red List status

Endangered

Species Permalink

https://www.mammaldiversity.org/taxon/1006430

Country distribution map

The map below provides a general overview. Most species inhabit only specific regions within countries. Hover over the highlighted regions to see the country name.

Names and synonyms

Present and past (if available) associated names to the species. Click on a name to view its details. If the list is long, scroll down to see more.

Steno Tucuxi

(J. E. Gray, 1856)

Family

Delphinidae

Root name

tucuxi

Validity status

synonym

Nomenclatural status

available

Type

BMNH:Mamm:1189a, BMNH:Mamm:1189b, BMNH:Mamm:1856.8.2.2

Type kind

syntypes

Type specimen URI

https://data.nhm.ac.uk/object/07e983bf-6bdd-4a8c-b13d-04eed9057bc9 https://data.nhm.ac.uk/object/6a53cc8a-4260-48ff-80eb-fdb70c37e207

Authority page

158

Authority page URI

https://www.biodiversitylibrary.org/page/18685606

Authority publication

Annals and Magazine of Natural History

Name usages

Mead & Brownell (2005) (information at https://hesperomys.com/a/9684)

Delphinus pallidus

(P. Gervais, 1855)

Family

Delphinidae

Root name

pallida

Validity status

synonym

Nomenclatural status

available

Type

MNHN JAC 1880-549, MNHN CGZ 29

Type kind

holotype

Authority page

94

Authority page URI

https://www.biodiversitylibrary.org/page/49076332

Authority publication

Paris

Name usages

Mead & Brownell (2005) (information at https://hesperomys.com/a/9684)

Delphinus fluviatilis

(P. Gervais & Deville, 1853)

Family

Delphinidae

Root name

fluviatilis

Validity status

species

Nomenclatural status

available

Type

MNHN JAC 1880-550

Type kind

holotype

Authority page

148

Authority publication

Bulletin de la Société Centrale d'Agriculture du Departement de l'Hérault

Sotalia pallida

F. W. True, 1885

Family

Delphinidae

Root name

pallida

Validity status

synonym

Nomenclatural status

name_combination

Authority page

588

Authority page URI

https://www.biodiversitylibrary.org/page/7306382

Authority publication

Proceedings of the United States National Museum

Name usages

True (1885:588, https://www.biodiversitylibrary.org/page/7306382) (information at https://hesperomys.com/a/35039)

Sotalia fluviatilis

Corbet & J. Edwards Hill, 1980

Family

Delphinidae

Root name

fluviatilis

Validity status

synonym

Nomenclatural status

name_combination

Authority page

109

Authority publication

London

Name usages

  1. Corbet & Hill (1980:109) (information at https://hesperomys.com/a/63069)
  2. Honacki, Kinman & Koeppl (1982:295) (information at https://hesperomys.com/a/63071)
  3. Mead & Brownell (2005) (information at https://hesperomys.com/a/9684)
  4. Mittermeier & Wilson (2014:503) (information at https://hesperomys.com/a/67175)
  5. Mammal Diversity Database (2018:ID #190871) (information at https://hesperomys.com/a/67336)
  6. Mammal Diversity Database (2019:ID #190871) (information at https://hesperomys.com/a/67337)
  7. Mammal Diversity Database (2024, https://www.mammaldiversity.org/taxon/1006430) (information at https://hesperomys.com/a/67250)
  8. International Union for the Conservation of Nature (2024, https://www.iucnredlist.org/species/190871/50386457) (information at https://hesperomys.com/a/67246)

Steno Tucaxi

(P. J. Van Beneden & P. Gervais, 1880)

Family

Delphinidae

Root name

tucaxi

Validity status

synonym

Nomenclatural status

incorrectsubsequentspelling

Authority page

595 [as 695] (footnote 2)

Authority page URI

https://www.biodiversitylibrary.org/page/34018149

Authority publication

Paris

Delphinus tuchuschi

(P. J. Van Beneden & P. Gervais, 1880)

Family

Delphinidae

Root name

tuchuschi

Validity status

synonym

Nomenclatural status

notusedas_valid

Authority page

595 [as 695] (footnote 2)

Authority page URI

https://www.biodiversitylibrary.org/page/34018149

Authority publication

Paris

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