Study of the gonada of the Pacific silverstripe halfbeak (Hyporhamphus naos) on the coast of Mazatlán, Sinaloa.

Authors

  • Sandra Lizeth Pérez Vallejo Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa. Paseo Claussen s/n, colonia centro, C.P. 82000, Mazatlán, Sinaloa, México. Author https://orcid.org/0009-0009-7790-0748
  • Selene María Abad Rosales Centro de Investigación en Alimentación y Desarrollo, C.P., Mazatlán, Sinaloa México. Author https://orcid.org/0000-0002-3836-7479
  • Nurenskaya Vélez Arellano Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa. Paseo Claussen s/n, colonia centro, C.P. 82000, Mazatlán, Sinaloa, México. Author https://orcid.org/0000-0003-2429-2573
  • Diana Judith López Peraza Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa. Paseo Claussen s/n, colonia centro, C.P. 82000, Mazatlán, Sinaloa, México. Author https://orcid.org/0000-0002-7344-4134
  • Mayra I. Grano-Maldonado Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa. Paseo Claussen s/n, colonia centro, C.P. 82000, Mazatlán, Sinaloa, México. Author https://orcid.org/0000-0001-7519-379X

Keywords:

Reproduction, helmint, histology, Tropical Pacific, Gonad

Abstract

The objective of this study was to report for the first time the presence of the parasite Philometra sp. (Nematoda: Philometridae) in the male gonad of the silverstripe fish Hyphorhamphus naos Banfort and Collete (2001) of the Hemiramphidae family in the Mexican Pacific. The organisms were obtained at the Isla de la Piedra and Playa Norte in Mazatlán, Sinaloa. The fish were taken to the laboratory where the parasitized gonads were removed and a section of gonad tissue was taken from females and males parasitized with this nematode, which was examined with histological techniques. The results showed that the gonads did not present tissue damage, nor any apparent immune response in the gonads in both sexes. However, 26% of eosinophilic cells are present in the ovary tissue. It is suggested that systematic interannual sampling should be carried out at other arrival times of this fish at the Bay of Mazatlán, to evaluate changes in the parasitism of Philometra sp, on the gonads of Hyporhamphus naos.

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References

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Published

2025-03-27

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Vol. 2 No. 2 (2025): Revista Ciencias del Mar UAS - Edición Especial

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Artículo científico

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