Vol. 45 No. 1 (2016)
Scientific Notes

TWO CASES OF TWO-HEAD SHARK EMBRYOS, SMALLEYE SMOOTH-HOUND MUSTELUS HIGMANI AND THE BLUE SHARK PRIONACE GLAUCA

Nicolás Ehemann
Universidad de Oriente Núcleo Nueva Esparta (UDONE), Escuela de Ciencias Aplicadas del Mar (ECAM), Boca de Río, Nueva Esparta, 6304, Venezuela
Javier Marín Sanz
Museo Marino de Margarita, Departamento de Investigación y Educación, Nueva Esparta, 6304 Venezuela
Michelle Barany González
Instituto Venezolano de Investigaciones Científicas (IVIC), Altos del Pipe, Miranda, 1201 Venezuela

Published 2016-01-01

Keywords

  • Elasmobranchii,
  • Caribbean Sea,
  • Venezuela,
  • Abnormality,
  • Bicephaly

How to Cite

1.
Ehemann N, Marín Sanz J, Barany González M. TWO CASES OF TWO-HEAD SHARK EMBRYOS, SMALLEYE SMOOTH-HOUND MUSTELUS HIGMANI AND THE BLUE SHARK PRIONACE GLAUCA. Bol. Investig. Mar. Costeras [Internet]. 2016 Jan. 1 [cited 2025 Aug. 11];45(1). Available from: https://boletin.invemar.org.co/ojs/index.php/boletin/article/view/636

Abstract

This study reports the first dicephalic shark’s embryo of smalleye smooth-hound Mustelus higmani and the eighth case in blue shark Prionace glauca. Each embryo was removed from the womb of a pregnant female, caught in coastal waters of the Caribbean Sea, near to Nueva Esparta state. The dicephalic embryos are exhibited in the Marine Museum of Margarita.

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