Maltese cross limpet
Patelloida insignis
- Usual depth0–1 m
- Water temperature14–22 °C
- Best monthsJanuary, February, and March
- How commonOccasional
Photo credit: (c) Tim, some rights reserved (CC BY-SA), uploaded by Tim · CC BY-SA · iNaturalist
About this species
Patelloida insignis is a species of sea snail, a true limpet, a marine gastropod mollusc in the family Lottiidae, one of the families of true limpets.
Text from the Wikipedia article “Patelloida insignis”, 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: 91 records
- February: 56 records
- March: 65 records
- April: 48 records
- May: 21 records
- June: 25 records
- July: 21 records
- August: 30 records
- September: 44 records
- October: 33 records
- November: 39 records
- December: 56 records
Depth and water temperature
Depth
Mostly recorded at 0–1 m · Deepest record: 4 m
Water temperature
Recorded in surface water of 14–22 °C
Photos
(c) Tim, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) ttsquid, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) ttsquid, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Tim, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist
Names and classification
- English
- Maltese cross limpet
Other scientific names: Acmaea crucis, Patella insignis
Similar species
Tall-ribbed LimpetPatelloida alticostata
Pied limpetPatelloida latistrigata
Pacific sugar limpetPatelloida saccharina
Little-cone LimpetPatelloida conulus
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).
- 716 open-data records from 1907 to 2017.
- Species data updated November 5, 2026.
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