Review of Gray's beaked whale (Mesoplodon grayi) in the South East Pacific

Autores/as

  • Jhoann Canto Hernández Museo Nacional de Historia Natural http://orcid.org/0000-0002-7043-8556
  • Guillermo D'Elía Instituto de Ciencias Ambientales y Evolutivas, Universidad Austral de Chile, Valdivia
  • Richard Cadenillas Universidad Señor de Sipán, Chiclayo - Perú Instituto de Ciencias Ambientales y Evolutivas, Universidad Austral de Chile, Valdivia http://orcid.org/0000-0001-5769-3205
  • Frederick Toro Facultad de Medicina Veterinaria y Recursos Naturales. Universidad Santo Tomas, Viña del Mar
  • Cintya Borroni Escuela de Medicina Veterinaria. Facultad de Ciencias de la Vida, Universidad Andres Bello, Chile
  • Gerardo Cerda Servicio Nacional de Pesca (SERNAPESCA), Videla 240 Piso 6, Región Coquimbo
  • Sonia Español-Jiménez Melimoyu Ecosystem Research Institute. Av. Kennedy 5682, Santiago, Chile.

Palabras clave:

Distribution, Gray’s beaked whale, Odontoceti, South America, Zhipiidae.

Resumen

Information collected from a complete female juvenile individual of Gray's beaked whale (Mesoplodon grayi) stranded on the Guanaqueros coast, Coquimbo Region in Chile (30°S) is provided. Difficulties to differentiate specimens of Gray's beaked whale and Hector’s beaked whale (M. hectori) are discussed based on the use of diagnostic phenotypic characters, such as differences in color patterns and position of teeth on the lower jaw. The identification of the studied specimen as Gray's beaked whale was supported by a detailed review of cranial characters and molecular analyses. Finally, we provide an updated list containing all known Chilean records for this species.

Citas

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Publicado

2022-08-11

Número

Vol. 13 Núm. 3 (2022)

Sección

Reviews

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