CreatureData

Oyster redworm

Mytilicola orientalis Mori, 1935

Status not recordedcrustaceans

The oyster redworm (Mytilicola orientalis) is a species in the family Mytilicolidae.

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Quick facts about the oyster redworm

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 oyster redworm live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the oyster redworm as introduced in 5 countries, and flagged as invasive in 2 of them.

  1. Franceinvasive
  2. Netherlandsinvasive
  3. Ireland
  4. United Kingdom
  5. 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 oyster redworm 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 oyster redworm classified?

  1. kingdomAnimalia
  2. phylumArthropoda
  3. classCopepoda
  4. familyMytilicolidae
  5. genusMytilicola
  6. SpeciesMytilicola orientalis Mori, 1935

Synonyms Mytilicola ostreae

Other names and names in other languages (2)
  • Mytilocole oriental (Le)French
  • 동방담치속살이Korean

Catalogue of Life

Relatives of the oyster redworm

Other species in the same genus Mytilicola.

CompareOyster redworm vs Red worm diseaseOyster redworm vs Mytilicola brachidontisOyster redworm vs Mytilicola fimbriatusOyster redworm vs Mytilicola mactrae

Common questions

Answered only where our data holds the answer.

Is the oyster redworm an invasive species?

In some places. The Global Register of Introduced and Invasive Species flags the oyster redworm as invasive in 2 countries: France and Netherlands. It lists it as introduced in 5 in all.

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). Oyster redworm (Mytilicola orientalis). Retrieved from https://creaturedata.com/animals/oyster-redworm

MLA

“Oyster redworm (Mytilicola orientalis).” CreatureData, 2026, https://creaturedata.com/animals/oyster-redworm.

BibTeX
@misc{oyster_redworm_2026,
  title = {Oyster redworm (Mytilicola orientalis)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/oyster-redworm},
  note = {Data as of 2026-11-14}
}