
Ridged Egg Cowrie
Diminovula culmen
- Usual depth1–457 m
- Water temperature21–29 °C
- Best monthsMarch, April, and May
- How commonRare
Photo credit: (c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
About this species
Diminovula culmen is a species of sea snail in the family Ovulidae, the ovulids, cowry allies or false cowries.
Text from the Wikipedia article “Diminovula culmen”, 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: 12 records
- February: 16 records
- March: 22 records
- April: 26 records
- May: 27 records
- June: 7 records
- July: 16 records
- August: 16 records
- September: 18 records
- October: 21 records
- November: 14 records
- December: 11 records
Depth and water temperature
Depth
Mostly recorded at 1–457 m · Deepest record: 462 m
Water temperature
Recorded in surface water of 21–29 °C
Photos

(c) Micha Baum, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist
Names and classification
- English
- Ridged Egg Cowrie, Ridged Egg Cowry
Names in 2 more languages
- Japanese
- セロガタケボリ
- Korean
- 쿨멘개오지붙이
Other scientific names: Pseudosimnia (Inflatovula) culmen
Similar species
Common egg cowrieOvula ovum

Common calpurnusCalpurnus verrucosus
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).
- 67 open-data records from 1976 to 2009.
- Species data updated November 2, 2026.
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