Systematic Parasitology

, Volume 59, Issue 2, pp 103–120 | Cite as

Four new species of Gyrodactylus von Nordmann, 1832 (Monogenea, Gyrodactylidae) on gobiid fishes: combined DNA and morphological analyses

  • Tine Huyse
  • Göran Malmberg
  • Filip A.M. Volckaert
Article

Abstract

Four Gyrodactylus species parasitising four closely related gobiid species in European coastal waters were studied and compared with G. arcuatus Bychowsky sensu Bychowsky & Poljansky (1953) from Gasterosteus aculatus. These were G. gondae n. sp. from Pomatoschistus minutus and P. lozanoi, G. flavescensis n. sp. from Gobiusculusflavescens, G. arcuatoides n. sp. from P. minutus and G. branchialis n. sp. from P. microps. Combined molecular and morphological analyses, as well as morphometric and statistical methods, were used. The ssrRNA V4 region and the complete ITS rDNA region were sequenced. Genetically the four new species are clearly distinct from G. arcuatus. From a morphological point of view, the haptoral hard parts of G. gondae n. sp., G. flavescensis n. sp. and G. arcuatoides n. sp. are related to those of G. arcuatus, while these parts of G. branchialis n. sp. are different, but related to those of G. quadratidigitus Longshaw, Pursglove & Shinn, 2003. For the latter two species, a new species group is formed. The V4 and ITS sequence analyses, however, indicate a close relationship between G. branchialis and the three G. arcuatus-like species.

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Copyright information

© Kluwer Academic Publishers 2004

Authors and Affiliations

  • Tine Huyse
    • 1
    • 2
  • Göran Malmberg
    • 3
  • Filip A.M. Volckaert
    • 1
  1. 1.Katholieke Universiteit LeuvenLaboratory of Aquatic EcologyLeuvenBelgium
  2. 2.Parasitic Worms Division, Department of ZoologyThe Natural History MuseumLondonUK
  3. 3.Department of ZoologyStockholm UniversityStockholmSweden

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