CreatureData

Eel parasite

Anguillicola crassus Kuwahara, Niimi & Itagaki, 1974

Status not recordedworms

The eel parasite (Anguillicola crassus) is a species in the family Anguillicolidae, order Rhabditida.

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Quick facts about the eel parasite

Weight
Not recorded
Length
Not recorded
Lifespan
Not recorded
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Conservation status
Not recorded
Countries on record
Not recorded

Where does the eel parasite live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the eel parasite as introduced in 24 countries, and flagged as invasive in 15 of them.

  1. Denmarkinvasive
  2. Egyptinvasive
  3. Finlandinvasive
  4. Franceinvasive
  5. Germanyinvasive
  6. Hungaryinvasive
  7. Irelandinvasive
  8. Italyinvasive
  9. Latviainvasive
  10. Lithuaniainvasive
  11. Netherlandsinvasive
  12. Polandinvasive
  13. Swedeninvasive
  14. Tunisiainvasive
  15. United Kingdominvasive
  16. Austria
  17. Belgium
  18. China
  19. Czechia
  20. Mexico
  21. Portugal
  22. Russia
  23. Türkiye
  24. United States

Introduced means brought by people and now present; invasive means the country's checklist records an impact. A species can be native to one part of a country and introduced in another. Source: Global Register of Introduced and Invasive Species (CC BY 4.0).

Is the eel parasite endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the eel parasite classified?

  1. kingdomAnimalia
  2. phylumNematoda
  3. classChromadorea
  4. orderRhabditida
  5. familyAnguillicolidae
  6. genusAnguillicola
  7. SpeciesAnguillicola crassus Kuwahara, Niimi & Itagaki, 1974

Synonyms Anguillicola crassus, Anguillicoloides crassus

Other names and names in other languages (16)
  • Eel swimbladder nematodeEnglish
  • Swim-bladder nematodeEnglish
  • Swimbladder nematodeEnglish
  • krevnatka úhoříCzech
  • svømmeblæreormDanish
  • SchwimmblasenwurmGerman
  • ankeriaan uimarakkoloinenFinnish
  • Parasite de l'anguilleFrench
  • トガリウキブクロセンチュウJapanese
  • 뱀장어부레선충Korean
  • zwemblaaswormDutch
  • angwilikolaPolish
  • ålnematodSwedish
  • Ålens svømmeblæreormDanish
  • Aal-SchwimmblasenwurmGerman
  • simblåsemaskSwedish

Catalogue of Life

Relatives of the eel parasite

Other species in the same genus Anguillicola.

CompareEel parasite vs Anguillicola australiensisEel parasite vs Anguillicola globicepsEel parasite vs Anguillicola novaezelandiaeEel parasite vs Anguillicola papernai

Common questions

Answered only where our data holds the answer.

Is the eel parasite an invasive species?

In some places. The Global Register of Introduced and Invasive Species flags the eel parasite as invasive in 15 countries, including Denmark, Egypt, Finland, France and Germany. It lists it as introduced in 24 in all.

What kind of animal is the eel parasite?

The eel parasite (Anguillicola crassus) belongs to the family Anguillicolidae in the order Rhabditida.

Sources and how to cite this page

Data as of 2026-11-14. How this page is put together.

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APA

CreatureData. (2026). Eel parasite (Anguillicola crassus). Retrieved from https://creaturedata.com/animals/eel-parasite

MLA

“Eel parasite (Anguillicola crassus).” CreatureData, 2026, https://creaturedata.com/animals/eel-parasite.

BibTeX
@misc{eel_parasite_2026,
  title = {Eel parasite (Anguillicola crassus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/eel-parasite},
  note = {Data as of 2026-11-14}
}