
Madras harp
Harpa davidis
- Usual depth90 m
- Water temperature23–29 °C
- Best monthsJanuary, April, and December
- How commonRare
Photo credit: (c) Priyanshu Pradhan, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Harpa davidis, common name the Madras harp or David harp, is a species of sea snail, a marine gastropod mollusk in the family Harpidae, the harp snails.
Text from the Wikipedia article “Harpa davidis”, 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: 11 records
- February: 9 records
- March: 6 records
- April: 12 records
- May: 4 records
- June: 6 records
- July: 9 records
- August: 6 records
- September: 9 records
- October: 9 records
- November: 2 records
- December: 10 records
Depth and water temperature
Depth
Mostly recorded at 90 m · Deepest record: 90 m
Water temperature
Recorded in surface water of 23–29 °C
Photos

(c) a6475, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
Names and classification
- English
- Madras harp
Names in 2 more languages
- Japanese
- チヂミショクコウラ
- Simplified Chinese
- 大衛楊桃螺
Other scientific names: Harpa nablium
Similar species
Lesser harpHarpa amouretta
Articulate harpHarpa articularis
Large harpHarpa major
- Common harp
Harpa harpa
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).
- 31 open-data records from 1871 to 1992.
- Species data updated October 30, 2026.
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