Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide


Gyrodactylus salaris



Gyrodactylus salaris


  • Last modified
  • 21 November 2019
  • Datasheet Type(s)
  • Invasive Species
  • Preferred Scientific Name
  • Gyrodactylus salaris
  • Taxonomic Tree
  • Domain: Eukaryota
  •   Kingdom: Metazoa
  •     Phylum: Platyhelminthes
  •       Class: Trematoda
  •         Subclass: Monogenea
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Gyrodactylus salaris on Atlantic salmon fin
TitleFins of salmonids
CaptionGyrodactylus salaris on Atlantic salmon fin
CopyrightKurt Buchmann & José Bresciani
Gyrodactylus salaris on Atlantic salmon fin
Fins of salmonidsGyrodactylus salaris on Atlantic salmon finKurt Buchmann & José Bresciani


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Preferred Scientific Name

  • Gyrodactylus salaris

Taxonomic Tree

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  • Domain: Eukaryota
  •     Kingdom: Metazoa
  •         Phylum: Platyhelminthes
  •             Class: Trematoda
  •                 Subclass: Monogenea
  •                     Family: Gyrodactylidae
  •                         Genus: Gyrodactylus
  •                             Species: Gyrodactylus salaris

Distribution Table

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The distribution in this summary table is based on all the information available. When several references are cited, they may give conflicting information on the status. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.

Continent/Country/RegionDistributionLast ReportedOriginFirst ReportedInvasiveReferenceNotes


FinlandPresentCAB ABSTRACTS Data Mining 2001
NorwayPresentCAB ABSTRACTS Data Mining 2001
PortugalPresentCAB ABSTRACTS Data Mining 2001

Pathogen Characteristics

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Morphology. General anatomy as other gyrodactylids. The shape and size of marginal hooklets, ventral bar and hamuli are species-characteristic. The size of these varies dependent on temperature during development (Mo, 1991a, 1991b).

Microhabitat. The parasite occurs preferentially on fins, to some extent on the body skin, cornea and nostrils but may also be found rarely in the gill apparatus.

Life cycle. The parasite is viviparous and three generations (parent individual with embryo-bearing offspring in the uterus) may be seen in one parasite.

Habitat List

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Distribution Maps

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