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Occurrence of Glaucus atlanticus in the Midriff Islands Region, Gulf of California, Mexico
Hernández, L.; Munguía-Vega, A.; Pérez-Alarcón, F.; Fernández-Rivera Melo, F.J.; Angulo-Campillo, O. (2018). Occurrence of Glaucus atlanticus in the Midriff Islands Region, Gulf of California, Mexico. Am. Malacol. Bull. 36(1): 145-149. https://hdl.handle.net/10.4003/006.036.0113
In: American Malacological Bulletin. American Malacological Union: Hattiesburg. ISSN 0740-2783; e-ISSN 2162-2698, more
Peer reviewed article  

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Keywords
    Aquatic organisms > Marine organisms > Aquatic animals > Marine invertebrates
    Distribution > Geographical distribution
    Zoogeography
    Glaucidae Gray, 1827 [WoRMS]; Nudibranchia [WoRMS]
Author keywords
    pelagic nudibranchs

Authors  Top 
  • Hernández, L.
  • Munguía-Vega, A.
  • Pérez-Alarcón, F.
  • Fernández-Rivera Melo, F.J.
  • Angulo-Campillo, O.

Abstract
    A recent molecular study on pelagic nudibranchs showed that Glaucus marginatus (Reinhardt and Bergh, 1864) is a complex of three cryptic species, whereas the congener G. atlanticus (Forster, 1777) remain as one species. The objective of the present study was to determine the identity of pelagic nudibranchs collected in the Gulf of California using both molecular and traditional taxonomy. New DNA sequences (COI) and GenBank data were used to confirm the specimens' identity as G. atlanticus. Records from G. atlanticus were obtained from databases to determine the species geographic range. Present results increase that range northwards by approximately 150 km in the Gulf of California. Molecular data indicate that G. atlanticus from the Gulf has a wide infl uence from populations from the North and South Pacific and Indian Oceans. There is no current evidence of other cryptic species.

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