
Common egg cowrie
Ovula ovum
- Usual depth2–18 m
- Water temperature22–30 °C
- Best monthsApril, August, and October
- How commonOccasional
Photo credit: (c) Udo Schmidt, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
About this species
Ovula ovum, common name the common egg cowrie, is a species of sea snail, a marine gastropod mollusk in the family Ovulidae, the ovulids, cowry allies or false cowries.
Text from the Wikipedia article “Ovula ovum”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 82 records
- February: 75 records
- March: 87 records
- April: 109 records
- May: 95 records
- June: 78 records
- July: 74 records
- August: 116 records
- September: 93 records
- October: 118 records
- November: 100 records
- December: 88 records
Depth and water temperature
Depth
Mostly recorded at 2–18 m · Deepest record: 18 m
Water temperature
Recorded in surface water of 22–30 °C
Photos

(c) Anders Sandberg, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) PampaSorro, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) TonyT, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Bernard DUPONT, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) amfstocker, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Common egg cowrie, common egg cowrie, Common Egg Cowry
Names in 5 more languages
- German
- Gemeine Eischnecke
- French
- Ovule commune
- Japanese
- ウミウサギ, ウミウサギガイ
- Thai
- หอยไข่ธรรมดา
- Simplified Chinese
- 海兔螺
Other scientific names: Bulla ovum, Ovula alba, Ovula cygnea, Ovula oviformis, Ovula papyracea, Ovula pygmaea, Ovulum ovum, Ovulum pygmaea, Volva cygnea, Xandarovula figgisae
Similar species

Common calpurnusCalpurnus verrucosus

Ridged Egg CowrieDiminovula culmen


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).
- 361 open-data records from 1758 to 2011.
- Species data updated October 30, 2026.
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