CreatureData

Flattened oyster

Hyotissa hyotis (Linnaeus, 1758)

Status not recordedmolluscs

The flattened oyster (Hyotissa hyotis) is a species in the family Gryphaeidae, order Ostreida.

No freely licensed photo yet

Quick facts about the flattened oyster

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 flattened oyster live?

Not recorded

Is the flattened oyster 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 flattened oyster classified?

  1. kingdomAnimalia
  2. phylumMollusca
  3. classBivalvia
  4. orderOstreida
  5. familyGryphaeidae
  6. genusHyotissa
  7. SpeciesHyotissa hyotis (Linnaeus, 1758)

Synonyms Hyotissa fisheri, Mytilus hyotis, Ostrea fisheri, Ostrea hyotis, Ostrea jacobaea, Ostrea radiata, Pycnodonta hyotis, Pycnodonte hyotis

Other names and names in other languages (16)
  • Coxcomb foam oysterEnglish
  • Giant foam oysterEnglish
  • Giant honeycomb oysterEnglish
  • ústřice lamelováCzech
  • Große ZackenausterGerman
  • Ostra de panalSpanish
  • Ostrica del reefItalian
  • シャコガキJapanese
  • 벌집굴Korean
  • Устрица куриный гребеньRussian
  • 硨磲牡蠣Chinese
  • Riesen-ZackenausterGerman
  • Ostión de PiedraSpanish
  • Ostrica a nido d'apeItalian
  • Ostrica appiattitaItalian
  • Ostrica favo giganteItalian

Catalogue of Life

Relatives of the flattened oyster

Other species in the same genus Hyotissa.

Coin oyster

Hyotissa numisma

GryphaeidaeNo free photo yet

CompareFlattened oyster vs Atlantic foam oysterFlattened oyster vs Imbricate oysterFlattened oyster vs Coin oysterFlattened oyster vs Hyotissa guppyi

Common questions

Answered only where our data holds the answer.

What kind of animal is the flattened oyster?

The flattened oyster (Hyotissa hyotis) belongs to the family Gryphaeidae in the order Ostreida.

Sources and how to cite this page

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

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APA

CreatureData. (2026). Flattened oyster (Hyotissa hyotis). Retrieved from https://creaturedata.com/animals/flattened-oyster

MLA

“Flattened oyster (Hyotissa hyotis).” CreatureData, 2026, https://creaturedata.com/animals/flattened-oyster.

BibTeX
@misc{flattened_oyster_2026,
  title = {Flattened oyster (Hyotissa hyotis)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/flattened-oyster},
  note = {Data as of 2026-11-11}
}