CreatureData

California tunicate

Botrylloides diegensis Ritter & Forsyth, 1917

Status not recordedother invertebrates

The california tunicate (Botrylloides diegensis) is a species in the family Styelidae, order Stolidobranchia.

No freely licensed photo yet

Quick facts about the california tunicate

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 california tunicate live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the california tunicate as introduced in 3 countries, and flagged as invasive in 1 of them.

  1. United Kingdominvasive
  2. Belgium
  3. Ireland

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 california tunicate 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 california tunicate classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classAscidiacea
  4. orderStolidobranchia
  5. familyStyelidae
  6. genusBotrylloides
  7. SpeciesBotrylloides diegensis Ritter & Forsyth, 1917

Synonyms Botrylloides diegense, Botryllus diegense

Other names and names in other languages (6)
  • San Diego sea squirtEnglish
  • botrylle doréFrench
  • Ascidia di San DiegoItalian
  • botrylle de San DiegoFrench
  • Ascidia della CaliforniaItalian
  • Ascidia incrostante californianaItalian

Catalogue of Life

Relatives of the california tunicate

Other species in the same genus Botrylloides.

Botrylloid

Botrylloides leachii

StyelidaeNo free photo yet

CompareCalifornia tunicate vs BotrylloidCalifornia tunicate vs Chain tunicateCalifornia tunicate vs Black synascidiaCalifornia tunicate vs Botrylloides alacranensis

Common questions

Answered only where our data holds the answer.

Is the california tunicate an invasive species?

In some places. The Global Register of Introduced and Invasive Species flags the california tunicate as invasive in 1 country: United Kingdom. It lists it as introduced in 3 in all.

What kind of animal is the california tunicate?

The california tunicate (Botrylloides diegensis) belongs to the family Styelidae in the order Stolidobranchia.

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). California tunicate (Botrylloides diegensis). Retrieved from https://creaturedata.com/animals/california-tunicate

MLA

“California tunicate (Botrylloides diegensis).” CreatureData, 2026, https://creaturedata.com/animals/california-tunicate.

BibTeX
@misc{california_tunicate_2026,
  title = {California tunicate (Botrylloides diegensis)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/california-tunicate},
  note = {Data as of 2026-11-14}
}