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Gill parasites of the genus Cichlidogyrus Paperna, 1960 (Monogenea, Ancyrocephalidae) from Tilapia guineensis (Bleeker, 1862), with descriptions of six new species

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Abstract

A study of gill parasites of Tilapia guineensis (Bleeker, 1862) (Cichlidae) from different locations in West Africa (Senegal, Guinea, the Ivory Coast and the Congo) revealed the presence of twelve species of Cichlidogyrus Paperna, 1960 (Monogenea). Six have been recorded previously from T. zillii (Gervais, 1848) or Tristamella simonis (Günther, 1864) and six are considered new species: C. agnesi n. sp., C. bilongi n. sp., C. gallus n. sp., C. flexicolpos n. sp., C. louipaysani n. sp. and C. vexus n. sp. In the first three species cited, we report the presence of an auxiliary plate in the male copulatory complex which is characteristic of the species C. aegypticus Ergens, 1981, a parasite of Tilapia zillii.

Resumé

L'étude des Monogenea parasites branchiaux de Tilapia guineensis (Bleeker, 1862) (Cichlidae), provenant de diverses localités en Afrique de l'Ouest (Sénégal, Guinée, Côte d'Ivoire et Congo) a révélé, à côté de six espèces de Cichlidogyrus Paperna, 1960 déjà connues chez Tilapia zillii (Gervais, 1848) ou chez Tristamella simonis (Günther, 1864), l'existence de six espèces nouvelles, C. agnesi n. sp., C. bilongi n. sp., C. gallus n. sp., C. flexicolpos n. sp., C. louipaysani n. sp. et C. vexus n. sp. On signale, chez les trois premières citées, la présence d'une plaque auxiliaire au niveau de l'appareil copulateur mâle; plaque caractéristique de l'espèce Cichlidogyrus aegypticus Ergens, 1981, parasite de Tilapia zillii.

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Authors and Affiliations

  1. C.R.O.-ORSTOM, BP V 18, 01, Abidjan, Côte d'Ivoire

    Antoine Pariselle

  2. Laboratoire de Parasitologie Comparée, Station Méditerranéenne de l'Environement Littoral, 34200, Sète, France

    Louis Euzet

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  1. Antoine Pariselle
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  2. Louis Euzet
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Pariselle, A., Euzet, L. Gill parasites of the genus Cichlidogyrus Paperna, 1960 (Monogenea, Ancyrocephalidae) from Tilapia guineensis (Bleeker, 1862), with descriptions of six new species. Syst Parasitol 30, 187–198 (1995). https://doi.org/10.1007/BF00010469

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