
Pseudarcopagia disculus
- Usual depth0–9 m
- Water temperature12–18 °C
- Best monthsFebruary and April
- How commonRare
Photo credit: (c) Javier, some rights reserved (CC BY), uploaded by Javier · CC BY · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 10 records
- February: 16 records
- March: 12 records
- April: 26 records
- May: 13 records
- June: 8 records
- July: 4 records
- August: 7 records
- September: 14 records
- October: 15 records
- November: 7 records
- December: 12 records
Depth and water temperature
Depth
Mostly recorded at 0–9 m · Deepest record: 27 m
Water temperature
Recorded in surface water of 12–18 °C
Photos

(c) Javier, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Shaun, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Shaun, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Richard Littauer, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Javier, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Other scientific names: Tellina disculus, Tellina sublenticularis, Zearcopagia disculus
Similar species
Victorian TellinPseudarcopagia decora
Botany Bay TellinPseudarcopagia botanica
Baltic macomaMacoma balthica
Triangular TellinMacomona deltoidalis
Wedge ShellMacomona liliana
- Fine-ridged Tellen
Semelangulus tenuiliratus
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).
- 293 open-data records from 1934 to 2013.
- Species data updated November 6, 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.