Acta Parasitologica

, Volume 53, Issue 3, pp 240–250 | Cite as

Gyrodactylus species (Monogenea) infecting alpine bullhead (Cottus poecilopus Heckel, 1837) in Norway and Slovakia, including the description of Gyrodactylus mariannae sp. nov.

  • Anja C. Winger
  • Haakon Hansen
  • Lutz Bachmann
  • Tor A. Bakke
Original Paper


Gyrodactylus specimens infecting the skin and fins of two alpine bullhead (Cottus poecilopus) populations from the rivers Signaldalselva (North Norway) and Rena (South-East Norway) were characterized by both morphological and molecular means. Morphometrical differences were minor and the nucleotide sequences of the internal transcribed spacers (ITS) of the nuclear rDNA cluster were identical for parasites from both localities. Based on earlier descriptions, the relatively closest species are Gyrodactylus hrabei Ergens, 1957, described from common bullhead (Cottus gobio) in Slovakia and G. sp. Malmberg, 1973, from alpine bullhead in Sweden. The Norwegian Gyrodactylus specimens from the two alpine bullhead populations were morphometrically different from both the type material of G. hrabei from Slovakia and newly collected Gyrodactylus specimens from alpine bullhead in two Slovakian localities. The Slovakian Gyrodactylus specimens were found to be identical with type material of G. hrabei. The nucleotide sequences of the ITS of the Norwegian Gyrodactylus species were different from the Slovakian material. Hence, the Norwegian Gyrodactylus specimens from the alpine bullhead represent a new species, G. mariannae sp. nov.


Monogenea Gyrodactylus hrabei G. mariannae sp. nov Cottus poecilopus species description morphology ribosomal internal transcribed spacer (ITS) 


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Copyright information

© © Versita Warsaw and Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Anja C. Winger
    • 1
  • Haakon Hansen
    • 2
  • Lutz Bachmann
    • 1
  • Tor A. Bakke
    • 1
  1. 1.Natural History MuseumUniversity of Oslo, Department of ZoologyOsloNorway
  2. 2.National Veterinary InstituteSection for ParasitologyOsloNorway

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