
The Cavernous Ricinula
Pascula ochrostoma
- Usual depth7–62 m
- Water temperature20–30 °C
- Best monthsJune, August, and December
- How commonOccasional
Photo credit: (c) Saryu Mae 前 朝琉, some rights reserved (CC BY), uploaded by Saryu Mae 前 朝琉 · CC BY · iNaturalist
About this species
Pascula ochrostoma is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
Text from the Wikipedia article “Pascula ochrostoma”, 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: 26 records
- February: 19 records
- March: 20 records
- April: 16 records
- May: 25 records
- June: 32 records
- July: 23 records
- August: 31 records
- September: 26 records
- October: 27 records
- November: 20 records
- December: 51 records
Depth and water temperature
Depth
Mostly recorded at 7–62 m · Deepest record: 600 m
Water temperature
Recorded in surface water of 20–30 °C
Photos

(c) Saryu Mae 前 朝琉, some rights reserved (CC BY), uploaded by Saryu Mae 前 朝琉 · CC BY · iNaturalist 
(c) Saryu Mae 前 朝琉, some rights reserved (CC BY), uploaded by Saryu Mae 前 朝琉 · CC BY · iNaturalist 
(c) Saryu Mae 前 朝琉, some rights reserved (CC BY), uploaded by Saryu Mae 前 朝琉 · CC BY · iNaturalist 
(c) Saryu Mae 前 朝琉, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Saryu Mae 前 朝琉, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- The Cavernous Ricinula, The Yellow Mouth Ricinula
Names in 2 more languages
- Japanese
- キナフレイシダマシ
- Simplified Chinese
- 海綿結螺
Other scientific names: Cronia ochrostoma, Drupa ochrostoma, Drupella ochrostoma, Purpura ochrostoma, Ricinula cavernosa, Ricinula ochrostoma, Sistrum cavernosum
Similar species
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.
- Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
- Conservation status as published by GBIF (IUCN Red List).
- 624 open-data records from 1907 to 2019.
- Species data updated October 30, 2026.
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