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Monogenean fauna of alien tilapias (Cichlidae) in south China

Tilapias are important aquaculture fishes that have been introduced widely all over the world, often carrying their monogenean parasites with them. An extensive investigation on monogeneans of invasive tilapias was conducted in 19 natural water sources in south China between July 2015 and December 2...

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Autores principales: Zhang, Shuai, Zhi, Tingting, Xu, Xiangli, Zheng, Yingying, Bilong Bilong, Charles Félix, Pariselle, Antoine, Yang, Tingbao
Formato: Online Artículo Texto
Lenguaje:English
Publicado: EDP Sciences 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6361074/
https://www.ncbi.nlm.nih.gov/pubmed/30714897
http://dx.doi.org/10.1051/parasite/2019003
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author Zhang, Shuai
Zhi, Tingting
Xu, Xiangli
Zheng, Yingying
Bilong Bilong, Charles Félix
Pariselle, Antoine
Yang, Tingbao
author_facet Zhang, Shuai
Zhi, Tingting
Xu, Xiangli
Zheng, Yingying
Bilong Bilong, Charles Félix
Pariselle, Antoine
Yang, Tingbao
author_sort Zhang, Shuai
collection PubMed
description Tilapias are important aquaculture fishes that have been introduced widely all over the world, often carrying their monogenean parasites with them. An extensive investigation on monogeneans of invasive tilapias was conducted in 19 natural water sources in south China between July 2015 and December 2017. We found nine known species of monogeneans, i.e., Enterogyrus coronatus, E. malmbergi, Cichlidogyrus cirratus, C. halli, C. sclerosus, C. thurstonae, C. tilapiae, Scutogyrus longicornis, Gyrodactylus cichlidarum, and one unknown Gyrodactylus species. In addition to reporting ten new hosts and four new geographical records, we observed new morphological characteristics of these species. Observation on living specimens of Enterogyrus spp. demonstrated that these two species have characteristic opisthaptoral retraction capacities, while the opisthaptor glands were not observed in our specimens of E. coronatus and E. malmbergi. The morphological differences of the accessory piece of the male copulatory complex between C. cirratus and C. mbirizei (character for species differentiation) could result from the observation at different perspectives, which indicates that C. mbirizei is likely a synonym of C. cirratus. A more detailed structure of the sclerotized parts of Cichlidogyrus spp. and S. longicornis were revealed by scanning electron microscopy. As was the case for the monogeneans found on alien tilapias from other geographic regions, the present study confirmed the high potential of these monogeneans to establish populations in new habitats.
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spelling pubmed-63610742019-02-22 Monogenean fauna of alien tilapias (Cichlidae) in south China Zhang, Shuai Zhi, Tingting Xu, Xiangli Zheng, Yingying Bilong Bilong, Charles Félix Pariselle, Antoine Yang, Tingbao Parasite Research Article Tilapias are important aquaculture fishes that have been introduced widely all over the world, often carrying their monogenean parasites with them. An extensive investigation on monogeneans of invasive tilapias was conducted in 19 natural water sources in south China between July 2015 and December 2017. We found nine known species of monogeneans, i.e., Enterogyrus coronatus, E. malmbergi, Cichlidogyrus cirratus, C. halli, C. sclerosus, C. thurstonae, C. tilapiae, Scutogyrus longicornis, Gyrodactylus cichlidarum, and one unknown Gyrodactylus species. In addition to reporting ten new hosts and four new geographical records, we observed new morphological characteristics of these species. Observation on living specimens of Enterogyrus spp. demonstrated that these two species have characteristic opisthaptoral retraction capacities, while the opisthaptor glands were not observed in our specimens of E. coronatus and E. malmbergi. The morphological differences of the accessory piece of the male copulatory complex between C. cirratus and C. mbirizei (character for species differentiation) could result from the observation at different perspectives, which indicates that C. mbirizei is likely a synonym of C. cirratus. A more detailed structure of the sclerotized parts of Cichlidogyrus spp. and S. longicornis were revealed by scanning electron microscopy. As was the case for the monogeneans found on alien tilapias from other geographic regions, the present study confirmed the high potential of these monogeneans to establish populations in new habitats. EDP Sciences 2019-02-04 /pmc/articles/PMC6361074/ /pubmed/30714897 http://dx.doi.org/10.1051/parasite/2019003 Text en © S. Zhang et al., published by EDP Sciences, 2019 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Article
Zhang, Shuai
Zhi, Tingting
Xu, Xiangli
Zheng, Yingying
Bilong Bilong, Charles Félix
Pariselle, Antoine
Yang, Tingbao
Monogenean fauna of alien tilapias (Cichlidae) in south China
title Monogenean fauna of alien tilapias (Cichlidae) in south China
title_full Monogenean fauna of alien tilapias (Cichlidae) in south China
title_fullStr Monogenean fauna of alien tilapias (Cichlidae) in south China
title_full_unstemmed Monogenean fauna of alien tilapias (Cichlidae) in south China
title_short Monogenean fauna of alien tilapias (Cichlidae) in south China
title_sort monogenean fauna of alien tilapias (cichlidae) in south china
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6361074/
https://www.ncbi.nlm.nih.gov/pubmed/30714897
http://dx.doi.org/10.1051/parasite/2019003
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