Double-rayed Sunset Clam

Hiatula biradiata

Molluscs
IUCN: Not evaluated

Usual depth0 m
Water temperature14–27 °C
Best monthsSeptember and October
How commonOccasional

All species

Photo credit: (c) Terra Occ, some rights reserved (CC BY), uploaded by Terra Occ · CC BY · iNaturalist

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 159 records
February: 96 records
March: 85 records
April: 92 records
May: 85 records
June: 108 records
July: 143 records
August: 188 records
September: 396 records
October: 321 records
November: 146 records
December: 108 records

Depth and water temperature

Depth

Mostly recorded at 0 m · Deepest record: 3.5 m

0–10 m: 138 records

Water temperature

Recorded in surface water of 14–27 °C

12–14 °C: 43 records
14–16 °C: 112 records
16–18 °C: 4 records
18–20 °C: 8 records
20–22 °C: 10 records
22–24 °C: 1 records
24–26 °C: 0 records
26–28 °C: 1 records

Photos

(c) Rod Lowther, some rights reserved (CC BY) · CC BY · iNaturalist
(c) pimelea, some rights reserved (CC BY) · CC BY · iNaturalist
(c) ttsquid, some rights reserved (CC BY) · CC BY · iNaturalist
(c) ttsquid, some rights reserved (CC BY) · CC BY · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist

Names and classification

English: Double-rayed Sunset Clam

Other scientific names: Psammobia flavicans, Sanguinolaria livida, Solen biradiata, Soletellina biradiata, Soletellina epidermia, Soletellina nymphalis

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).
631 open-data records from 1884 to 2014.
Species data updated November 3, 2026.

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