Alou rock shell
Mancinella alouina
- Usual depth1–33 m
- Water temperature17–30 °C
- Best monthsMarch, July, and September
- How commonRare
Photo credit: no rights reserved, uploaded by Manis Lin · CC0 1.0 · iNaturalist
About this species
Mancinella alouina, common names alou rock shell, alou rock snail, 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 “Mancinella alouina”, 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: 17 records
- February: 19 records
- March: 20 records
- April: 11 records
- May: 20 records
- June: 9 records
- July: 26 records
- August: 19 records
- September: 27 records
- October: 20 records
- November: 8 records
- December: 17 records
Depth and water temperature
Depth
Mostly recorded at 1–33 m · Deepest record: 35 m
Water temperature
Recorded in surface water of 17–30 °C
Photos
(c) Harry Rose, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Thomas Mesaglio, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Alou rock shell, Alou rock snail, alou rock shell, alou rock snail, Pimpled Thaid, The Pimpled Purpura, Yellowed-Mouthed Purple
Names in 2 more languages
- German
- Alou-Felsschnecke
- Japanese
- キナレイシ, キナレイシ／キナレイシダマシ, キナレイシダマシ
Other scientific names: Drupella mancinella, Mancinella aculeata, Mancinella mancinella, Murex mancinella, Murex pyrum, Purpura gemmulata, Purpura mancinella, Thais (Mancinella) alouina, Thais (Mancinella) mancinella, Thais alouina, Thais gemmulata, Thais mancinella, Volema alouina, Volema glacialis
Similar species
Lamarck's spiny rock shellMancinella echinulata
- Prickly rock shell
Mancinella echinata
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).
- 408 open-data records from 1798 to 2016.
- Species data updated October 30, 2026.
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