
Circumcision cone
Conus circumcisus
- Usual depth9–31 m
- Water temperature26–30 °C
- Best monthsJune
- How commonRare
Photo credit: (c) Debra Baker, some rights reserved (CC BY), uploaded by Debra Baker · CC BY · iNaturalist
About this species
Conus circumcisus, common names the circumcision cone or the auger cone, the borer shell, or the leader cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.
Text from the Wikipedia article “Conus circumcisus”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 5 records
- February: 3 records
- March: 1 records
- April: 2 records
- May: 2 records
- June: 14 records
- July: 7 records
- August: 1 records
- September: 3 records
- October: 3 records
- November: 4 records
- December: 2 records
Depth and water temperature
Depth
Mostly recorded at 9–31 m · Deepest record: 60 m
Water temperature
Recorded in surface water of 26–30 °C
Photos

(c) Debra Baker, some rights reserved (CC BY), uploaded by Debra Baker · CC BY · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY), uploaded by Debra Baker · CC BY · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Circumcision cone, circumcision cone
Names in 1 more languages
- German
- Ringkegel
Other scientific names: Conus (Pionoconus) circumcisus, Conus affinis, Conus brazieri, Conus dux, Conus laevis, Conus terebellum, Conus unicolor, Cucullus purpuratus, Cucullus terebellum, Pionoconus circumcisus
Similar species
Sand-dusted coneConus arenatus
Captain coneConus capitaneus
Cat coneConus catus
Astrologer's coneConus chaldaeus
Coronated coneConus coronatus

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.
- Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
- Conservation status as published by GBIF (IUCN Red List).
- 151 open-data records from 1965 to 2016.
- Species data updated October 26, 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.