Overview of the Genus <em>Squalus</em> in the Mediterranean Sea

In the Mediterranean Sea, in addition to the two historically known species belonging to the Squalus genus (Squalus blainville and Squalus acanthias), a third species, Squalus megalops, has been reported. This last specie is a subject of debate between authors. S. acanthias is quite distinct from th...

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Detalles Bibliográficos
Autores principales: Marouani, Sondes, Karaa, Sami, Jarboui, Othman
Formato: Capítulo de libro
Lenguaje:inglés
Publicado: IntechOpen 2023
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Acceso en línea:https://www.intechopen.com/chapters/85146
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Sumario:In the Mediterranean Sea, in addition to the two historically known species belonging to the Squalus genus (Squalus blainville and Squalus acanthias), a third species, Squalus megalops, has been reported. This last specie is a subject of debate between authors. S. acanthias is quite distinct from the other species of the genus Squalus, while S. blainville and S. megalops are very similar morphologically. This similarity has resulted in considerable confusion over their taxonomy. The lack of a well-preserved holotype for S. blainville, misidentifications in databases and in the literature, description, and figure of Risso (1827) not conforming to any known species of Squalus are impediments to the proper taxonomic identification and the potential revision of the genus. This chapter aims to clarify the state of the species of the genus Squalus in the Mediterranean Sea, taking into account all the studies carried out on this subject.
ISBN:978-1-83768-313-0
DOI:10.5772/intechopen.108977