Pacific asaphis
Asaphis violascens
- Usual depth1 m
- Water temperature20–30 °C
- Best monthsApril, July, and September
- How commonOccasional
Photo credit: (c) L.J. Lamera, some rights reserved (CC BY), uploaded by L.J. Lamera · CC BY · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 44 records
- February: 47 records
- March: 59 records
- April: 65 records
- May: 60 records
- June: 62 records
- July: 91 records
- August: 64 records
- September: 71 records
- October: 57 records
- November: 35 records
- December: 43 records
Depth and water temperature
Depth
Mostly recorded at 1 m · Deepest record: 1 m
Water temperature
Recorded in surface water of 20–30 °C
Photos
(c) Takaaki Hattori, some rights reserved (CC BY), uploaded by Takaaki Hattori · CC BY · iNaturalist 
(c) Takaaki Hattori, some rights reserved (CC BY), uploaded by Takaaki Hattori · CC BY · iNaturalist 
(c) luluchouette, some rights reserved (CC BY), uploaded by luluchouette · CC BY · iNaturalist 
(c) Saryu Mae 前 朝琉, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) PampaSorro, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Lisa Bennett, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Mike Burnett, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Pacific asaphis, Violet asaphis, Violet asphis, violet asaphis, violet asphis
Names in 3 more languages
- German
- Pazifische Sandmuschel
- Japanese
- リュウキュウマスオ
- Simplified Chinese
- 紫晃蛤
Other scientific names: Asaphis dichotoma, Asaphis violaceus, Capsa rugosa, Sanguinolaria dichotoma, Sanguinolaria rugosa, Sanguinolaria tahitensis, Sanguinolaria ventricosa, Venus purpurata, Venus versicolor, Venus violascens
Similar species
Diphos sanguinHiatula diphos
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.
- Conservation status as published by GBIF (IUCN Red List).
- 768 open-data records from 1775 to 2021.
- Species data updated October 26, 2026.
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