Encyclopedia of Parasitology

Living Edition
| Editors: Heinz Mehlhorn


  • Heinz MehlhornEmail author
Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27769-6_4452-1

Twaitia is a genus of nematodes (so-called dragon worms, family Dracunculidae), which suck blood at fish (e.g., below the operculum of the gills) and thus appear bloody red. They give rise directly to active larvae 1, which mostly do not leave the original host. However, these larvae can also become ingested by crustaceans and thus transported to other fish. Treatment in aquaria can be done with levamisole or fenbendazole.


Original Host Active Larva 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.Institut für Zoomorphologie, Zellbiologie und ParasitologieHeinrich-Heine-UniversitätDüsseldorfGermany