
Photo credit: (c) N yotarou, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
The Iwagaki oyster, is an oyster native to Japan. It was first described in 1934.
Text from the Wikipedia article “Iwagaki oyster”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
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Best months
Worldwide (open data)
- January: 0 records
- February: 0 records
- March: 0 records
- April: 5 records
- May: 8 records
- June: 7 records
- July: 3 records
- August: 1 records
- September: 0 records
- October: 4 records
- November: 0 records
- December: 1 records
Depth and water temperature
Water temperature
Recorded in surface water of 17–22 °C
Photos

(c) N yotarou, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Names in 3 more languages
- French
- Huître japonaise
- Japanese
- イワガキ
- Korean
- 바위굴
Other scientific names: Crassostrea (Magallana) nippona, Crassostrea nippona, Ostrea circumpicta, Ostrea nippona
Similar species
Japanese OysterMagallana gigas
Black-Scar OysterMagallana bilineata
- Angasi oyster
Ostrea angasi
Common oysterOstrea edulis
Leaf oysterDendostrea folium
Coon oysterDendostrea frons
Sources and credits
Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).
- Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
- Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
- Conservation status as published by GBIF (IUCN Red List).
- 83 open-data records from 1995 to 2020.
- Species data updated November 4, 2026.
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