Oblique Southern Cockle
Acrosterigma cygnorum
- Usual depth0–14 m
- Water temperature14–21 °C
- Best monthsJanuary, February, and March
- How commonRare
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 12 records
- February: 14 records
- March: 12 records
- April: 7 records
- May: 5 records
- June: 4 records
- July: 7 records
- August: 9 records
- September: 6 records
- October: 2 records
- November: 11 records
- December: 7 records
Depth and water temperature
Depth
Mostly recorded at 0–14 m · Deepest record: 40 m
Water temperature
Recorded in surface water of 14–21 °C
Names and classification
- English
- Oblique Southern Cockle
Other scientific names: Acrosterigma abrolhense, Cardium cygnorum, Laevicardium (Trachycardium) gaillardi, Laevicardium gaillardi
Similar species


- Attenuated Cockle
Acrosterigma attenuatum
- Double-Rayed Cockle
Acrosterigma biradiatum
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).
- 350 open-data records from 1916 to 2016.
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