
DiscoverSpeciesCorals and anemones
Hydrozoanthus gracilis
- Water temperature20–20 °C
- Best monthsSeptember and November
- How commonRare
Photo credit: (c) Nicola Crockford, 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: 5 records
- February: 3 records
- March: 1 records
- April: 2 records
- May: 3 records
- June: 4 records
- July: 1 records
- August: 3 records
- September: 9 records
- October: 5 records
- November: 6 records
- December: 3 records
Depth and water temperature
Water temperature
Recorded in surface water of 20–20 °C
Photos

(c) Nicola Crockford, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) 呂一起(Lyu yi-chi), some rights reserved (CC BY) · CC BY · iNaturalist 
(c) 呂一起(Lyu yi-chi), some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Names in 1 more languages
- Japanese
- センナリスナギンチャク
Other scientific names: Epizoanthus cnidosus, Parazoanthus gracilis, Sidisia gracilis
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).
- Species data updated November 3, 2026.
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