The dolphin genus Sotalia is considered to have two member species with the classification of Sotalia guianensis as a distinct species from Sotalia fluviatilisIUCN redlist.org in 2007. This was a result of recent morphometric analyses, as well as mitochondrial DNA analysis.Caballero S, Trujillo F, Vianna JA, Barrios-Garrido H, Montiel MG, Beltran-Pedreros S, Marmontel M, Santos MC, Rossi-Santos M, Santos FR, Baker CS (2007) Taxonomic status of the genus Sotalia: species level ranking for 'tucuxi' (Sotalia fluviatilis) and 'costero' (Sotalia guianensis) dolphins. Mar Mamm Sci 23: 358-386.
Members of this genus are found in the Atlantic and Caribbean coasts of Central and South America as well as in the Amazon River and most of its tributaries.
Member species Sotalia fluviatilis (Gervais & Deville, 1853), Tucuxi Sotalia guianensis (van Bénéden, 1864), Costero or Guiana dolphin
References
Further reading
External links
Whale and Dolphin Conservation Society (WDCS)