Mezumari-zaru-tengai
Diodora singaporensis
- Usual depth0 m
- Water temperature15–30 °C
- Best monthsSeptember
- How commonRare
About this species
Diodora singaporensis is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.
Text from the Wikipedia article “Diodora singaporensis”, 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: 4 records
- February: 0 records
- March: 2 records
- April: 3 records
- May: 5 records
- June: 8 records
- July: 8 records
- August: 5 records
- September: 14 records
- October: 5 records
- November: 1 records
- December: 2 records
Depth and water temperature
Depth
Mostly recorded at 0 m · Deepest record: 0 m
Water temperature
Recorded in surface water of 15–30 °C
Names and classification
- English
- Mezumari-zaru-tengai
Names in 2 more languages
- Japanese
- シンガポールテンガイ
- Simplified Chinese
- 新加坡透孔螺
Other scientific names: Diodora bombayana, Diodora ovalis, Fissurella bombayana, Fissurella singaporensis, Fissurella tenuistriata, Fissurella townsendi
Similar species
Latticed Keyhole LimpetDiodora lineata

Cross Keynote LimpetDiodora quadriradiata

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).
- 128 open-data records from 1850 to 2009.
- Species data updated November 2, 2026.
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