
Galeropsis monodonta
- Usual depth2–17 m
- Water temperature19–30 °C
- Best monthsFebruary and September
- How commonOccasional
Photo credit: (c) Alberto Alcalá, some rights reserved (CC BY) · CC BY · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 19 records
- February: 98 records
- March: 19 records
- April: 8 records
- May: 8 records
- June: 16 records
- July: 19 records
- August: 23 records
- September: 101 records
- October: 46 records
- November: 33 records
- December: 13 records
Depth and water temperature
Depth
Mostly recorded at 2–17 m · Deepest record: 65 m
Water temperature
Recorded in surface water of 19–30 °C
Photos

(c) Lisa Bennett, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Alberto Alcalá, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Takaaki Hattori, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Names in 2 more languages
- Spanish
- Caracol Parásito del Coral
- Japanese
- ヒトハサンゴヤドリ
Other scientific names: Coralliophila madreporara, Coralliophila madreporaria, Coralliophila madreporarum, Coralliophila monodonta, Purpura madreporarum, Purpura monodonta, Quoyula madreporarum, Quoyula monodonta, Rhizochilus madreporarum
Similar species
Cart-rut ShellDicathais orbita
Common Small PurpleAgnewia tritoniformis




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).
- 726 open-data records from 1872 to 2023.
- Species data updated November 2, 2026.
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