Clam
Verpa penis
- Water temperature28–30 °C
- Best monthsJanuary, February, and March
- How commonRare
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 2 records
- February: 3 records
- March: 3 records
- April: 2 records
- May: 1 records
- June: 0 records
- July: 1 records
- August: 0 records
- September: 1 records
- October: 0 records
- November: 1 records
- December: 0 records
Depth and water temperature
Water temperature
Recorded in surface water of 28–30 °C
Names and classification
- English
- Clam, Common watering pot, Watering pot shell, clam, common watering pot, watering pot shell
Names in 2 more languages
- German
- Gießkannenmuschel
- Simplified Chinese
- 濾管蛤
Other scientific names: Aquaria radiata, Aspergillum annulosum, Aspergillum annulus, Aspergillum javanum, Aspergillum listeri, Aspergillum pulchellum, Aspergillum pulchrum, Brechites (Verpa) penis, Brechites penis, Clepsydra javanica, Clepsydra penis, Penicillus annulatus, Penicillus javanus, Penicillus penis, Serpula penis
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).
- 20 open-data records from 1758 to 2010.
- Species data updated October 31, 2026.
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