Heliacus trochoides
- Usual depth35 m
- Water temperature23–30 °C
- Best monthsApril and July
- How commonRare
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 1 records
- February: 1 records
- March: 3 records
- April: 5 records
- May: 3 records
- June: 0 records
- July: 8 records
- August: 3 records
- September: 4 records
- October: 2 records
- November: 2 records
- December: 0 records
Depth and water temperature
Depth
Mostly recorded at 35 m · Deepest record: 35 m
Water temperature
Recorded in surface water of 23–30 °C
Names and classification
Names in 1 more languages
- Japanese
- コマガタナワメグルマ
Other scientific names: Heliacus (Heliacus) trochoides, Solarium dealbatum, Solarium trochoides, Torinia conica
Similar species
Variegated sundialHeliacus variegatus
channeled sundialHeliacus infundibuliformis
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).
- 55 open-data records from 1952 to 2012.
- Species data updated November 3, 2026.
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