
Striated Little Triangle Shell
Atactodea striata
- Usual depth1–32 m
- Water temperature14–30 °C
- Best monthsApril, July, and September
- How commonOccasional
Photo credit: (c) portioid, some rights reserved (CC BY), uploaded by portioid · CC BY · iNaturalist
About this species
Atactodea striata, common name striated beach clam or striated little trough shell, is a species of surf clam, a marine bivalve mollusk in the family Mesodesmatidae.
Text from the Wikipedia article “Atactodea striata”, 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: 36 records
- February: 32 records
- March: 32 records
- April: 50 records
- May: 48 records
- June: 44 records
- July: 55 records
- August: 50 records
- September: 51 records
- October: 32 records
- November: 35 records
- December: 45 records
Depth and water temperature
Depth
Mostly recorded at 1–32 m · Deepest record: 32 m
Water temperature
Recorded in surface water of 14–30 °C
Photos

(c) W Rao, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Jay Brasher, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Lisa Bennett, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Thomas Mesaglio, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Jay Brasher, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Striated Little Triangle Shell, Striated Little Trough Shell
Names in 2 more languages
- Japanese
- イソハマグリ, 磯蛤
- Simplified Chinese
- 尖峰蛤
Other scientific names: Atactodea glabrata, Erycina striata, Mactra glabrata, Mactra striata, Mactra sulcata, Mactra taprobanensis, Mesodesma glabrata, Mesodesma glabrum, Mesodesma intermedia, Mesodesma macrodon, Mesodesma mitis, Mesodesma savignyi, Mesodesma striatum, Mesodesma sulcata, Mesodesma trigona, Paphies striata
Similar species
- Very Flat Triangle Shell
Davila plana
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).
- 560 open-data records from 1791 to 2013.
- Species data updated October 26, 2026.
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