Astrologer's cone
Conus chaldaeus
- Usual depth0–16 m
- Water temperature20–30 °C
- Best monthsMay, June, and August
- How commonOccasional
Photo credit: (c) Udo Schmidt, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
About this species
Conus chaldaeus, common name the Chaldean 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 chaldaeus”, 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: 50 records
- February: 36 records
- March: 37 records
- April: 28 records
- May: 54 records
- June: 55 records
- July: 52 records
- August: 57 records
- September: 39 records
- October: 46 records
- November: 40 records
- December: 30 records
Depth and water temperature
Depth
Mostly recorded at 0–16 m · Deepest record: 17.5 m
Water temperature
Recorded in surface water of 20–30 °C
Photos
(c) Nino, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Jono, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Takaaki Hattori, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) wiregrasser, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) smathichong, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Lisa Bennett, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Takaaki Hattori, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Astrologer's cone, Vermiculate cone, Worm cone, astrologer's cone, vermiculate cone, worm cone
Names in 2 more languages
- German
- Wurmkegel
- Japanese
- コマダライモ
Other scientific names: Conus (Virroconus) chaldaeus, Conus vermiculatus, Cucullus chaldaeus, Virroconus chaldaeus, Virroconus chaldeus
Similar species
Sand-dusted coneConus arenatus
Captain coneConus capitaneus
Cat coneConus catus
Coronated coneConus coronatus
Black-and-white coneConus ebraeus
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).
- 634 open-data records from 1901 to 2009.
- Species data updated October 26, 2026.
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