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Annulotrema (Monogenea: Dactylogyridae) from the gills of African tetras (Characiformes: Alestidae) in Lake Turkana, Kenya, with descriptions of four new species and a redescription of A. elongata Paperna and Thurston, 1969

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Abstract

Four new and four previously described species of Annulotrema were collected from the gills of four species (three genera, i.e. Alestes, Hydrocynus and Brycinus) of African tetras from Lake Turkana, Kenya: Annulotrema alestesnursi Paperna, 1973 from Brycinus nurse; Annulotrema ansatum n. sp., Annulotrema besalis Řehulková, Musilová and Gelnar, 2014, Annulotrema bipatens n. sp., Annulotrema cucullatum n. sp., Annulotrema nili Paperna, 1973, and Annulotrema pontile n. sp. from Hydrocynus forskahlii; and Annulotrema elongata Paperna and Thurston, 1969 from Alestes baremoze and Alestes dentex. A. elongata is re-described on the basis of new material from A. baremoze. The sclerotized structures of the haptor and male copulatory organ of A. alestesnursi and A. elongata are illustrated from their type material. H. forskahlii is a new host record for A. besalis. The findings of A. besalis and A. elongata in Kenya represent a new locality records for these helminths. Three Annulotrema spp., namely A. besalis, A. elongata and A. pontile n. sp., share the same type of male copulatory organ, which may indicate a close relationship among these species.

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Acknowledgments

We thank David Lotuliakou, John O. Malala (KMFRI, Lake Turkana Station, Kenya) and Miloslav Jirků (Institute of Parasitology, AS CR, Czech Republic) for logistical support throughout the field sampling. We are also indebted to Šárka Mašová and Iva Přikrylová (Department of Botany and Zoology, MU Brno, Czech Republic) for help with monogenean collection. We are grateful to Maarten Vanhove (Royal Museum for Central Africa, Tervuren, Belgium) for the kind loan of type and voucher specimens. This study was supported by the Czech Science Foundation (Project No. P505/12/G112).

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Authors and Affiliations

  1. Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic

    Maria Lujza Kičinjaová, Radim Blažek, Milan Gelnar & Eva Řehulková

  2. Department of Fish Ecology, Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, 603 65, Brno, Czech Republic

    Radim Blažek

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  1. Maria Lujza Kičinjaová
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  2. Radim Blažek
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  3. Milan Gelnar
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  4. Eva Řehulková
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Correspondence to Eva Řehulková.

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Kičinjaová, M.L., Blažek, R., Gelnar, M. et al. Annulotrema (Monogenea: Dactylogyridae) from the gills of African tetras (Characiformes: Alestidae) in Lake Turkana, Kenya, with descriptions of four new species and a redescription of A. elongata Paperna and Thurston, 1969. Parasitol Res 114, 4107–4120 (2015). https://doi.org/10.1007/s00436-015-4682-x

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