Cryptopecten nux

Molluscs
IUCN: Not evaluated

Usual depth50–397 m
Water temperature18–30 °C
Best monthsSeptember and October
How commonOccasional

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 7 records
February: 17 records
March: 6 records
April: 5 records
May: 14 records
June: 33 records
July: 16 records
August: 11 records
September: 44 records
October: 57 records
November: 32 records
December: 6 records

Depth and water temperature

Depth

Mostly recorded at 50–397 m · Deepest record: 915 m

10–20 m: 2 records
20–30 m: 1 records
30–40 m: 3 records
40–50 m: 5 records
50–60 m: 23 records
60–70 m: 7 records
70–80 m: 18 records
80–90 m: 5 records
90–100 m: 8 records
100–110 m: 8 records
110–120 m: 1 records
120+ m: 127 records

Water temperature

Recorded in surface water of 18–30 °C

18–20 °C: 1 records
20–22 °C: 4 records
22–24 °C: 29 records
24–26 °C: 99 records
26–28 °C: 101 records
28–30 °C: 158 records

Names and classification

Names in 1 more languages

Japanese: イササヒヨク

Other scientific names: Aequipecten nux, Chlamys corymbiatus, Chlamys smithi, Corymbichlamys corymbiata, Cryptopecten guendolenae, Pecten (Aequipecten) corymbiatus, Pecten (Aequipecten) kikaiensis, Pecten guendolenae, Pecten hastingsii, Pecten nux

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).
750 open-data records from 1875 to 2012.
Species data updated October 26, 2026.

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