Morpho-molecular characterization of Gyrodactylus parasites of farmed tilapia and their spillover to native fishes in Mexico

Abstract Translocation of fishes for aquaculture has resulted in the co-introduction of some of their parasites. African cichlid fishes, generically called “tilapias” have been introduced worldwide, along with their monogenean parasites. In a nation-wide survey, we characterised monogeneans of the g...

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Autores principales:	Adriana García-Vásquez, Carlos Daniel Pinacho-Pinacho, Ismael Guzmán-Valdivieso, Miguel Calixto-Rojas, Miguel Rubio-Godoy
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/86af0a17f0164f67ac73122290533218
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spelling	oai:doaj.org-article:86af0a17f0164f67ac731222905332182021-12-02T18:34:06ZMorpho-molecular characterization of Gyrodactylus parasites of farmed tilapia and their spillover to native fishes in Mexico10.1038/s41598-021-93472-62045-2322https://doaj.org/article/86af0a17f0164f67ac731222905332182021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93472-6https://doaj.org/toc/2045-2322Abstract Translocation of fishes for aquaculture has resulted in the co-introduction of some of their parasites. African cichlid fishes, generically called “tilapias” have been introduced worldwide, along with their monogenean parasites. In a nation-wide survey, we characterised monogeneans of the genus Gyrodactylus infecting farmed “tilapia” throughout Mexico. We also collected native fishes around farms, to look for potential parasite spillover from cultured fishes. Monogeneans were identified taxonomically using morphological and molecular characters. Originally African, pathogenic Gyrodactylus cichlidarum was recorded in every farm surveyed, infecting different “tilapia” varieties, as well as three native cichlid fish species. Previously, we had shown that G. cichlidarum also infects native, non-cichlid fishes in Mexico. We also recorded that Gyrodactylus yacatli is widely distributed in Mexico, infecting cultured “tilapia” and native fishes; and present data indicating that this is a further translocated African parasite. A third, unidentified gyrodactylid infected farmed and native fishes in Chiapas, southern Mexico; we describe the new species as Gyrodactylus shinni n. sp., and provide evidence that this is a third monogenean translocated with African fish. The wide distribution of exotic parasites co-introduced with “tilapia” and their spillover to native fishes may have an important impact on the ichthyofauna in Mexico, one the world’s megadiverse countries.Adriana García-VásquezCarlos Daniel Pinacho-PinachoIsmael Guzmán-ValdiviesoMiguel Calixto-RojasMiguel Rubio-GodoyNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-17 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Adriana García-Vásquez Carlos Daniel Pinacho-Pinacho Ismael Guzmán-Valdivieso Miguel Calixto-Rojas Miguel Rubio-Godoy Morpho-molecular characterization of Gyrodactylus parasites of farmed tilapia and their spillover to native fishes in Mexico
description	Abstract Translocation of fishes for aquaculture has resulted in the co-introduction of some of their parasites. African cichlid fishes, generically called “tilapias” have been introduced worldwide, along with their monogenean parasites. In a nation-wide survey, we characterised monogeneans of the genus Gyrodactylus infecting farmed “tilapia” throughout Mexico. We also collected native fishes around farms, to look for potential parasite spillover from cultured fishes. Monogeneans were identified taxonomically using morphological and molecular characters. Originally African, pathogenic Gyrodactylus cichlidarum was recorded in every farm surveyed, infecting different “tilapia” varieties, as well as three native cichlid fish species. Previously, we had shown that G. cichlidarum also infects native, non-cichlid fishes in Mexico. We also recorded that Gyrodactylus yacatli is widely distributed in Mexico, infecting cultured “tilapia” and native fishes; and present data indicating that this is a further translocated African parasite. A third, unidentified gyrodactylid infected farmed and native fishes in Chiapas, southern Mexico; we describe the new species as Gyrodactylus shinni n. sp., and provide evidence that this is a third monogenean translocated with African fish. The wide distribution of exotic parasites co-introduced with “tilapia” and their spillover to native fishes may have an important impact on the ichthyofauna in Mexico, one the world’s megadiverse countries.
format	article
author	Adriana García-Vásquez Carlos Daniel Pinacho-Pinacho Ismael Guzmán-Valdivieso Miguel Calixto-Rojas Miguel Rubio-Godoy
author_facet	Adriana García-Vásquez Carlos Daniel Pinacho-Pinacho Ismael Guzmán-Valdivieso Miguel Calixto-Rojas Miguel Rubio-Godoy
author_sort	Adriana García-Vásquez
title	Morpho-molecular characterization of Gyrodactylus parasites of farmed tilapia and their spillover to native fishes in Mexico
title_short	Morpho-molecular characterization of Gyrodactylus parasites of farmed tilapia and their spillover to native fishes in Mexico
title_full	Morpho-molecular characterization of Gyrodactylus parasites of farmed tilapia and their spillover to native fishes in Mexico
title_fullStr	Morpho-molecular characterization of Gyrodactylus parasites of farmed tilapia and their spillover to native fishes in Mexico
title_full_unstemmed	Morpho-molecular characterization of Gyrodactylus parasites of farmed tilapia and their spillover to native fishes in Mexico
title_sort	morpho-molecular characterization of gyrodactylus parasites of farmed tilapia and their spillover to native fishes in mexico
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/86af0a17f0164f67ac73122290533218
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Morpho-molecular characterization of Gyrodactylus parasites of farmed tilapia and their spillover to native fishes in Mexico

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