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Striated Little Triangle Shell

Atactodea striata

  • Molluscs
  • IUCN: Not evaluated
  • Usual depth1–32 m
  • Water temperature14–30 °C
  • Best monthsApril, July, and September
  • How commonOccasional
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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

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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

  • 0–10 m: 1 records
  • 10–20 m: 0 records
  • 20–30 m: 0 records
  • 30–40 m: 1 records

Water temperature

Recorded in surface water of 14–30 °C

  • 14–16 °C: 1 records
  • 16–18 °C: 0 records
  • 18–20 °C: 1 records
  • 20–22 °C: 9 records
  • 22–24 °C: 40 records
  • 24–26 °C: 96 records
  • 26–28 °C: 103 records
  • 28–30 °C: 114 records

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

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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