First record of bicephalism in the blacktip shark Carcharhinus limbatus (Elasmobranchii: Carcharhinidae) in the southern Gulf of Mexico
Author
Wakida-Kusunoki, Armando T.
Anislado-Tolentino, Vicente
Castro-Barbosa, Rodolfo
Del Moral-Flores, Luis Fernando
Full text
https://www.lajar.cl/index.php/rlajar/article/view/vol51-issue5-fulltext-305910.3856/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.