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Common egg cowrie

Ovula ovum

  • Molluscs
  • IUCN: Not evaluated
  • Usual depth2–18 m
  • Water temperature22–30 °C
  • Best monthsApril, August, and October
  • How commonOccasional
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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

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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

  • 0–10 m: 6 records
  • 10–20 m: 2 records

Water temperature

Recorded in surface water of 22–30 °C

  • 20–22 °C: 2 records
  • 22–24 °C: 13 records
  • 24–26 °C: 20 records
  • 26–28 °C: 40 records
  • 28–30 °C: 74 records

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

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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