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

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

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 conjo...

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Veröffentlicht in:Latin american journal of aquatic research 2023-11, Vol.51 (5), p.685-691
Hauptverfasser: Wakida-Kusunoki, Armando T, Anislado-Tolentino, Vicente, Castro-Barbosa, Rodolfo, del Moral-Flores, Luis Fernando
Format: Artikel
Sprache:eng ; spa
Schlagworte:
Fishes
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Zusammenfassung: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.
ISSN:0718-560X
0718-560X
DOI:10.3856/vol51-issue5-fulltext-3059