Skip to content

DiscoverSpeciesMolluscs

Heteromacoma irus

  • Molluscs
  • IUCN: Not evaluated
  • Water temperature14–21 °C
  • Best monthsApril, August, and November
  • How commonRare
All species

Photo credit: (c) りなべる, 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: 2 records
  • February: 0 records
  • March: 2 records
  • April: 4 records
  • May: 1 records
  • June: 3 records
  • July: 0 records
  • August: 6 records
  • September: 1 records
  • October: 1 records
  • November: 6 records
  • December: 1 records

Depth and water temperature

Water temperature

Recorded in surface water of 14–21 °C

  • 12–14 °C: 1 records
  • 14–16 °C: 0 records
  • 16–18 °C: 0 records
  • 18–20 °C: 13 records
  • 20–22 °C: 2 records

Names and classification

Names in 2 more languages
Japanese
シラトリモドキ
Korean
대양조개, 대양조개사돈

Other scientific names: Fragilia yantaiensis, Heteromacoma yantaiensis, Tellina irus, Tellina yantaiensis

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.
  • Conservation status as published by GBIF (IUCN Red List).
  • 133 open-data records from 1961 to 2008.
  • Species data updated November 3, 2026.

Log what you see on your next dive

The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.

Join the waitlist

DiveHive uses necessary cookies to work. With your permission we also use analytics to see which pages help. Analytics is off until you say yes, and we never record what you type.

  • NecessaryAlways on: your choice, security.Always on
  • AnalyticsOff unless you accept.Off
Privacy policy