
Queen Scallop
Equichlamys bifrons
- Usual depth0 m
- Water temperature14–19 °C
- Best monthsSeptember, November, and December
- How commonOccasional
Photo credit: (c) ttsquid, 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: 184 records
- February: 83 records
- March: 85 records
- April: 79 records
- May: 89 records
- June: 75 records
- July: 99 records
- August: 162 records
- September: 217 records
- October: 190 records
- November: 191 records
- December: 218 records
Depth and water temperature
Depth
Mostly recorded at 0 m · Deepest record: 10 m
Water temperature
Recorded in surface water of 14–19 °C
Photos

(c) ttsquid, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Tim, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Tim, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Cobi Calyx, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) graeme lunt, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) graeme lunt, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Queen Scallop
Other scientific names: Pecten bifrons, Pecten consobrinus, Pecten palmipes, Pecten subbifrons
Similar species
New Zealand scallopPecten novaezelandiae
Asian moon scallopAmusium pleuronectes
Mantle scallopGloripallium pallium

Austral scallopMimachlamys asperrima
Noble scallopMimachlamys sanguinea
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).
- 437 open-data records from 1880 to 2014.
- Species data updated November 2, 2026.
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