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Title: Nature or Nurture: Is the Digestive System of the Pontoporia blainvillei Influenced or Determined by Its Diet?
Authors: Tostado Marcos, Carlos
Olocco Diz, María Julieta
Martín Orti, Rosario
Loureiro, Juan Pablo
Molpeceres Diego, Ignacio 
Tendillo Domínguez, Enrique
Pérez Lloret, Pilar
Santos Álvarez, Inmaculada
González Soriano, Juncal
UNESCO Clasification: 240119 Zoología marina
310906 Nutrición
Keywords: Adaptations
Digestive System
Pontoporia Blainvillei
Issue Date: 2024
Journal: Animals 
Abstract: The Franciscana (also known as the La Plata River Dolphin) is a small dolphin that lives in the coastal waters of Brazil, Uruguay, and Argentina. This species is considered the most endangered marine mammal in the western South Atlantic Ocean. Anatomic dissection of the digestive system of 19 animals of different ages, including 2 neonates, 12 juveniles, and 5 adults, was performed. Parameters related to length, breadth, weight, and diameter of the digestive viscera were considered in each case. Our results show that the Franciscana dolphin presents differential characteristics in relation to several parts of the digestive system, including, specifically, the tongue, the teeth, the stomach, and the small intestine. Thus, this paper add precious information to the actual knowledge of this vulnerable marine mammal species in order to improve conservation efforts.
ISSN: 2076-2615
DOI: 10.3390/ani14050661
Source: Animals[EISSN 2076-2615],v. 14 (5), (Marzo 2024)
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