
Cookia sulcata
- Usual depth3–14 m
- Water temperature12–21 °C
- Best monthsApril, October, and November
- 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
Cookia sulcata, or Cook's turban, is a species of large sea snail, a marine gastropod mollusc in the family Turbinidae, the turban snails.
Text from the Wikipedia article “Cookia sulcata”, 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: 161 records
- February: 131 records
- March: 125 records
- April: 230 records
- May: 114 records
- June: 74 records
- July: 116 records
- August: 94 records
- September: 129 records
- October: 213 records
- November: 197 records
- December: 163 records
Depth and water temperature
Depth
Mostly recorded at 3–14 m · Deepest record: 120 m
Water temperature
Recorded in surface water of 12–21 °C
Photos

(c) Saryu Mae 前 朝琉, some rights reserved (CC BY), uploaded by Saryu Mae 前 朝琉 · CC BY · iNaturalist 
(c) wild_wind, some rights reserved (CC BY), uploaded by wild_wind · CC BY · iNaturalist 
(c) Javier, some rights reserved (CC BY), uploaded by Javier · CC BY · iNaturalist 
(c) Saryu Mae 前 朝琉, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Jay Pruett, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) wild_wind, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) wild_wind, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Other scientific names: Astraea cookii, Astraea sulcata, Astralium pyramidale, Cidaris novaezeelandiae, Cookia novaezelandiae, Imperator davisii, Trochus cookii, Trochus sulcatus, Turbo sulcatus
Similar species


Common Tent ShellAstralium tentoriiforme
Golden small starBellastraea aurea
scaly small starBellastraea squamifera
Moon TurbanLunella cinerea
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).
- 839 open-data records from 1927 to 2022.
- Species data updated November 1, 2026.
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