CreatureData

Sea hedgehog

Halocynthia igaboja Oka, 1906

Status not recordedother invertebrates

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

No freely licensed photo yet

Quick facts about the sea hedgehog

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 hedgehog live?

Not recorded

Is the sea hedgehog 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 hedgehog classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classAscidiacea
  4. orderStolidobranchia
  5. familyPyuridae
  6. genusHalocynthia
  7. SpeciesHalocynthia igaboja Oka, 1906

Synonyms Cynthia ritteri, Halocynthia hilgendorfi igaboja, Halocynthia jakoboja, Halocynthia owstoni, Halocynthia ritteri, Pyura okai, Tethyum igaboja

Other names and names in other languages (2)
  • Bristly tunicateEnglish
  • Spiny sea squirtEnglish

Catalogue of Life

Relatives of the sea hedgehog

Other species in the same genus Halocynthia.

Sea peach

Halocynthia aurantium

PyuridaeNo free photo yet

Sea peach

Halocynthia pyriformis

PyuridaeNo free photo yet

CompareSea hedgehog vs Sea pineappleSea hedgehog vs Red sea-squirtSea hedgehog vs Sea peachSea hedgehog vs Spiny sea squirt

Common questions

Answered only where our data holds the answer.

What kind of animal is the sea hedgehog?

The sea hedgehog (Halocynthia igaboja) belongs to the family Pyuridae 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). Sea hedgehog (Halocynthia igaboja). Retrieved from https://creaturedata.com/animals/sea-hedgehog

MLA

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

BibTeX
@misc{sea_hedgehog_2026,
  title = {Sea hedgehog (Halocynthia igaboja)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/sea-hedgehog},
  note = {Data as of 2026-11-14}
}