CreatureData

Crevice ascidian

Ascidia sydneiensis Stimpson, 1855

Status not recordedother invertebrates

The crevice ascidian (Ascidia sydneiensis) is a species in the family Ascidiidae, order Phlebobranchia.

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Quick facts about the crevice ascidian

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 crevice ascidian live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the crevice ascidian as introduced in 6 countries.

  1. Belize
  2. Brazil
  3. Cuba
  4. Panama
  5. South Africa
  6. 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 crevice ascidian 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 crevice ascidian classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classAscidiacea
  4. orderPhlebobranchia
  5. familyAscidiidae
  6. genusAscidia
  7. SpeciesAscidia sydneiensis Stimpson, 1855

Synonyms Ascidia bisulca, Ascidia compta, Ascidia diplozoon, Ascidia divisa, Ascidia donnani, Ascidia incerta, Ascidia limosa, Ascidia longitubis, Ascidia longitudinalis, Ascidia pyriformis, Ascidia sydneiensis protecta, Ascidia sydneyensis, Ascidia syneiensis, Phallusia canaliculata, Phallusia divisa, Phallusia incerta, Phallusia longitubis, Phallusia pyriformis, Phallusia sydneiensis, Phallusia syneiensis

Other names and names in other languages (3)
  • Green tube tunicateEnglish
  • Ascidie jaune perléeFrench
  • スジキレボヤJapanese

Catalogue of Life

Relatives of the crevice ascidian

Other species in the same genus Ascidia.

CompareCrevice ascidian vs Red-spotted ascidianCrevice ascidian vs Cuadata ascidianCrevice ascidian vs Ascidia achimotaeCrevice ascidian vs Ascidia ahodori

Common questions

Answered only where our data holds the answer.

Is the crevice ascidian an invasive species?

The Global Register of Introduced and Invasive Species lists the crevice ascidian as introduced in 6 countries, including Belize, Brazil, Cuba, Panama and South Africa, but does not flag it as invasive in any of them.

What kind of animal is the crevice ascidian?

The crevice ascidian (Ascidia sydneiensis) belongs to the family Ascidiidae in the order Phlebobranchia.

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). Crevice ascidian (Ascidia sydneiensis). Retrieved from https://creaturedata.com/animals/crevice-ascidian

MLA

“Crevice ascidian (Ascidia sydneiensis).” CreatureData, 2026, https://creaturedata.com/animals/crevice-ascidian.

BibTeX
@misc{crevice_ascidian_2026,
  title = {Crevice ascidian (Ascidia sydneiensis)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/crevice-ascidian},
  note = {Data as of 2026-11-14}
}