Northernmost Occurrence of Zanclus cornutus (Zanclidae) in the Eastern Pacific (Northern Gulf of California, Mexico)

  • Francisco J. Fernández-Rivera MeloEmail author
  • Héctor Reyes-Bonilla
  • Violeta Martínez-Castillo
  • Fernanda Pérez-Alarcón


The Moorish Idol (Zanclus cornutus (Linnaeus, 1758)) is a tropical species that is distributed extensively in rocky and coral reefs in the Pacific Ocean, within the Gulf of California, its presence has been reported only in its southern region. In this work, the presence of Z. cornutus in the central and northern Gulf of California is confirmed, specifically in the Coronados islands (25.71534 ° N, −110.77567 ° W) and San Pedro Nolasco (27.9530 ° N, 111.3663 ° W). These records increase their distribution 200 km north of their known limit. This finding seems to be another example of a trend recently observed in several species of tropical fish, they have expanded their distribution towards the center and the north of the Gulf of California in possible response to the warming of the Gulf.


Moorish idol Record Sea of Cortes Distribution Aquarium fish 



Grants to conduct field work and analyses of the data were provided by Consejo Nacional de Ciencia y Tecnología (project Fronteras en la Ciencia FON.INST./26/2016, to HRB), German Agency for International Cooperation (GIZ), Sandler Foundation and the NGOs Comunidad y Biodiversidad AC, Pronatura Noroeste and The Nature Conservancy.

Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Francisco J. Fernández-Rivera Melo
    • 1
    Email author
  • Héctor Reyes-Bonilla
    • 2
  • Violeta Martínez-Castillo
    • 2
  • Fernanda Pérez-Alarcón
    • 1
  1. 1.Comunidad y Biodiversidad A.C.GuaymasMexico
  2. 2.Departamento de Ciencias Marinas y CosterasUniversidad Autónoma de Baja California SurLa PazMexico

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