Violante-González, J., P.J. Villalba-Vasquez, S. Monks, C. Valencia-Cayetano, N.G. Santos-Bustos, S.S. Salas-Villalobos, D.I. Carpio-Hernández & F. Valente-Alarcón. (2023). Parasite communities of the golden snapper Lutjanus inermis (Perciformes: Lutjanidae): inter-annual variations during strange climatic events. Folia Parasitologica. 70:1-12. . Apr 2023.

450216

10.14411/fp.2023.010 [view]

Violante-González, J., P.J. Villalba-Vasquez, S. Monks, C. Valencia-Cayetano, N.G. Santos-Bustos, S.S. Salas-Villalobos, D.I. Carpio-Hernández & F. Valente-Alarcón

2023

70:1-12. . Apr 2023

Publication

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Strange oceanographic events such as El Niño and La Niña may have indirect effects on the local transmission processes of intestinal parasites due to the reduction or increase in populations of potential intermediate or definitive hosts. A total of 713 individuals of Lutjanus inermis (Peters) were collected over an 8-year period (October 2015 to July 2022) from Acapulco Bay, Mexico. Parasite communities in L. inermis were quantified and analysed to determine if they experienced interannual variations in species composition and structure as a result of local biotic and abiotic factors influenced by oceanographic events, such as El Niño-Southern Oscillation (ENSO), or La Niña, the cool phase of the ENSO climate pattern. Twenty-six taxa of metazoan parasites were recovered and identified: two Monogenea, eight Digenea, two Acanthocephala, four Nematoda, one Cestoda, seven Copepoda, and two Isopoda. Species richness at the component community level (8 to 17 species) was similar to reported richness in other species of Lutjanus Bloch. Parasite communities of L. inermis exhibited high inter-annual variation in the abundance of component species of parasite. However, the species richness and diversity were fairly stable over time. Climatic episodes of El Niño and La Niña probably generated notable changes in the structure of local food webs, thus indirectly influencing the transmission rates of intestinal parasite species. Changes in species composition and community structure of parasites possibly were due to variations in feeding behaviour during the events and differences in the host body size. Keywords: Marine fish, metazoan parasites, species composition, El Niño (ENSO), tropical Pacific, Mexico.

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