CreatureData

Sea pineapple

Halocynthia roretzi (Drasche, 1884)

Status not recordedother invertebrates

The sea pineapple (Halocynthia roretzi) is a species in the family Pyuridae, order Stolidobranchia.

No freely licensed photo yet

Quick facts about the sea pineapple

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 sea pineapple live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the sea pineapple as introduced in 1 country.

  1. China

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 sea pineapple 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 sea pineapple classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classAscidiacea
  4. orderStolidobranchia
  5. familyPyuridae
  6. genusHalocynthia
  7. SpeciesHalocynthia roretzi (Drasche, 1884)

Synonyms Cynthia roretzi, Cynthia roretzii, Tethyum roretzi

Other names and names in other languages (8)
  • Korean common sea squirtEnglish
  • Piña de marSpanish
  • マボヤJapanese
  • 멍게Korean
  • Морской ананасRussian
  • 우렁쉥이Korean
  • Бугорчатый тетиумRussian
  • Халоцинтия бугорчатаяRussian

Catalogue of Life

Relatives of the sea pineapple

Other species in the same genus Halocynthia.

Sea peach

Halocynthia aurantium

PyuridaeNo free photo yet

Sea peach

Halocynthia pyriformis

PyuridaeNo free photo yet

CompareSea pineapple vs Red sea-squirtSea pineapple vs Sea peachSea pineapple vs Sea hedgehogSea pineapple vs Spiny sea squirt

Common questions

Answered only where our data holds the answer.

Is the sea pineapple an invasive species?

The Global Register of Introduced and Invasive Species lists the sea pineapple as introduced in 1 country: China, but does not flag it as invasive in any of them.

What kind of animal is the sea pineapple?

The sea pineapple (Halocynthia roretzi) belongs to the family Pyuridae in the order Stolidobranchia.

Sources and how to cite this page

Data as of 2026-11-13. How this page is put together.

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APA

CreatureData. (2026). Sea pineapple (Halocynthia roretzi). Retrieved from https://creaturedata.com/animals/sea-pineapple

MLA

“Sea pineapple (Halocynthia roretzi).” CreatureData, 2026, https://creaturedata.com/animals/sea-pineapple.

BibTeX
@misc{sea_pineapple_2026,
  title = {Sea pineapple (Halocynthia roretzi)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/sea-pineapple},
  note = {Data as of 2026-11-13}
}