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Title: | Six new species of Cichlidogyrus Paperna, 1960 (Platyhelminthes: Monogenea) from the gills of cichlids (Teleostei: Cichliformes) from the Lomami River Basin (DRC: Middle Congo) | Authors: | GERAERTS, Mare Muterezi Bukinga, Fidel VANHOVE, Maarten Pariselle, Antoine Chocha Manda, Auguste Vreven, Emmanuel Huyse, Tine ARTOIS, Tom |
Issue Date: | 2020 | Publisher: | BMC | Source: | Parasites & Vectors, 13 (Art N° 187) | Abstract: | Background: Monogenea van Beneden, 1858 is a group of parasitic fatworms, commonly found infecting bony fsh. Several genera, such as Cichlidogyrus Paperna, 1960, are reported to include potential pathogenic species that can negatively impact aquaculture fsh stocks. They can switch from introduced to native fsh and vice versa. In Africa (and all over the world), fsh species belonging to Cichlidae are often kept in aquaculture and represent a major source of food. Thus, research on the biodiversity and occurrence of monogenean species on these fsh is of importance for aquaculture and conservation. The present study is a survey of the diversity of species of Cichlidogyrus in the south of the Democratic Republic of the Congo (DRC) on three cichlid species: Orthochromis sp. ‘Lomami’, Serranochromis cf. macrocephalus, and Tilapia sparrmanii Smith, 1840. Methods: Specimens of Cichlidogyrus were isolated from the gills and mounted on glass slides with Hoyer’s medium. The genital and haptoral hard parts were measured and drawn using interference contrast. Results: In total, six species of Cichlidogyrus were found, all new to science: C. bulbophallus n. sp. and C. pseudozambezensis n. sp. on S. cf. macrocephalus, C. fagellum n. sp. and C. lobus n. sp. on T. sparrmanii, C. ranula n. sp. on S. cf. macrocephalus and Orthochromis sp. ‘Lomami’, and C. maeander n. sp. found on Orthochromis sp. ‘Lomami’ and T. sparrmanii. The frst four species are considered to be strict specialists, C. ranula n. sp. an intermediate generalist and C. maeander n. sp. a generalist. These parasite species show morphological similarities to species found in the Lower Guinea and Zambezi ichthyofaunal provinces, which might be explained by past river capture events between river systems of the Congo Province and both these regions. Conclusions: Serranochromis cf. macrocephalus and Orthochromis sp. ‘Lomami’ can harbour respectively three and two species of Cichlidogyrus, all described in this study. Tilapia sparrmanii can harbour seven species, of which three are described in the present study. These results highlight the species diversity of this parasite genus in the Congo Basin. | Keywords: | Africa;DRC;Cichlidae;Monogenea;Cichlidogyrus;Serranochromis;Tilapia;Orthochromis;Diversity | Document URI: | http://hdl.handle.net/1942/31038 | ISSN: | 1756-3305 | e-ISSN: | 1756-3305 | DOI: | 10.1186/s13071-020-3927-4 | ISI #: | WOS:000526906000002 | Rights: | The Author(s) 2020. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2021 |
Appears in Collections: | Research publications |
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Geraerts, Muterezi Bukinga et al 2020 Parasites & Vectors.pdf | Published version | 9.1 MB | Adobe PDF | View/Open |
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