CreatureData

Trembling semat

Victorella pavida Saville-Kent, 1870

Status not recordedother invertebrates

The trembling semat (Victorella pavida) is a species in the family Victorellidae, order Ctenostomatida.

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Quick facts about the trembling semat

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 trembling semat live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the trembling semat as introduced in 5 countries.

  1. Germany
  2. Poland
  3. Sweden
  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 trembling semat 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 trembling semat classified?

  1. kingdomAnimalia
  2. phylumBryozoa
  3. classGymnolaemata
  4. orderCtenostomatida
  5. familyVictorellidae
  6. genusVictorella
  7. SpeciesVictorella pavida Saville-Kent, 1870
Other names and names in other languages (5)
  • Trembling sea-matEnglish
  • Zitternde SeerindeGerman
  • sormisammaleläinFinnish
  • 한들한들빅토리아이끼벌레Korean
  • WiktorellaPolish

Catalogue of Life

Relatives of the trembling semat

Other species in the same genus Victorella.

CompareTrembling semat vs Victorella araceaeTrembling semat vs Victorella bengalensisTrembling semat vs Victorella bergiTrembling semat vs Victorella continentalis

Common questions

Answered only where our data holds the answer.

Is the trembling semat an invasive species?

The Global Register of Introduced and Invasive Species lists the trembling semat as introduced in 5 countries: Germany, Poland, Sweden, United Kingdom and United States, but does not flag it as invasive in any of them.

What kind of animal is the trembling semat?

The trembling semat (Victorella pavida) belongs to the family Victorellidae in the order Ctenostomatida.

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). Trembling semat (Victorella pavida). Retrieved from https://creaturedata.com/animals/trembling-semat

MLA

“Trembling semat (Victorella pavida).” CreatureData, 2026, https://creaturedata.com/animals/trembling-semat.

BibTeX
@misc{trembling_semat_2026,
  title = {Trembling semat (Victorella pavida)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/trembling-semat},
  note = {Data as of 2026-11-14}
}