
Pretty Trough Shell
Mactra eximia
- Usual depth4–64 m
- Water temperature18–26 °C
- Best monthsJune and October
- How commonRare
Photo credit: (c) Peter Crowcroft, some rights reserved (CC BY) · CC BY · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 14 records
- February: 3 records
- March: 7 records
- April: 12 records
- May: 5 records
- June: 24 records
- July: 13 records
- August: 11 records
- September: 6 records
- October: 15 records
- November: 4 records
- December: 4 records
Depth and water temperature
Depth
Mostly recorded at 4–64 m · Deepest record: 64 m
Water temperature
Recorded in surface water of 18–26 °C
Photos

(c) Thomas Mesaglio, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Thomas Mesaglio, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Pretty Trough Shell
Similar species
Australian MactraMactra australis
Chinese surf clamMactra chinensis


Agate Trough ShellMactra achatina

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).
- 133 open-data records from 1905 to 2010.
- Species data updated November 4, 2026.
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