First record of bicephalism in the blacktip shark Carcharhinus limbatus (Elasmobranchii: Carcharhinidae) in the southern Gulf of Mexico

Armando T. Wakida-Kusunoki, Vicente Anislado-Tolentino, Rodolfo Castro-Barbosa, Luis Fernando Del Moral-Flores

Submited: 2023-02-27 16:30:17 | Published: 2023-10-31 21:22:21

DOI: https://doi.org/10.3856/vol51-issue5-fulltext-3059

Abstract


The first case of bicephalia in a male embryo of the blacktip shark Carcharhinus limbatus in the southern Gulf of Mexico is described. The embryo was found and removed from a pregnant female caught off the coast of Tabasco, Mexico. The specimen had two heads, two dorsal fins, two spine columns conjoined in the pelvic region, two esophagus, and a single stomach.

Wakida-Kusunoki A, Anislado-Tolentino V, Castro-Barbosa R, Del Moral-Flores L. First record of bicephalism in the blacktip shark Carcharhinus limbatus (Elasmobranchii: Carcharhinidae) in the southern Gulf of Mexico. Lat. Am. J. Aquat. Res.. 2023;51(5): 685-691. Available from: doi:10.3856/vol51-issue5-fulltext-3059 [Accessed 18 May. 2024].
Wakida-Kusunoki, A., Anislado-Tolentino, V., Castro-Barbosa, R., & Del Moral-Flores, L. (2023). First record of bicephalism in the blacktip shark Carcharhinus limbatus (Elasmobranchii: Carcharhinidae) in the southern Gulf of Mexico. Latin American Journal of Aquatic Research, 51(5), 685-691. doi:http://dx.doi.org/10.3856/vol51-issue5-fulltext-3059