Mactra pusilla

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 4 records
February: 6 records
March: 13 records
April: 9 records
May: 12 records
June: 19 records
July: 6 records
August: 10 records
September: 6 records
October: 10 records
November: 5 records
December: 2 records

Depth and water temperature

Water temperature

Recorded in surface water of 15–29 °C

14–16 °C: 9 records
16–18 °C: 16 records
18–20 °C: 0 records
20–22 °C: 56 records
22–24 °C: 19 records
24–26 °C: 15 records
26–28 °C: 3 records
28–30 °C: 1 records

Photos

(c) Thomas Mesaglio, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Thomas Mesaglio, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Gary Williams, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Gary Williams, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Ben Jobson, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

Other scientific names: Mactra (Nannomactra) pusilla

Similar species

Australian Mactra
Mactra australis
Chinese surf clam
Mactra chinensis
Mactra pura
Mactra quadrangularis
Agate Trough Shell
Mactra achatina
Pretty Trough Shell
Mactra eximia

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).
152 open-data records from 1916 to 2005.
Species data updated November 4, 2026.