DiscoverSpeciesCorals and anemones
Galaxea horrescens
- Usual depth3–15 m
- Water temperature24–30 °C
- Best monthsAugust
- How commonRare
Photo credit: (c) Debra Baker, 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: 3 records
- February: 9 records
- March: 7 records
- April: 9 records
- May: 14 records
- June: 6 records
- July: 12 records
- August: 30 records
- September: 17 records
- October: 11 records
- November: 14 records
- December: 10 records
Depth and water temperature
Depth
Mostly recorded at 3–15 m · Deepest record: 26 m
Water temperature
Recorded in surface water of 24–30 °C
Photos
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Ryan McMinds, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Ryan McMinds, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Names in 2 more languages
- Japanese
- エダアザミサンゴ
- Simplified Chinese
- 刺枝珊瑚
Other scientific names: Acrhelia horrescens, Acrhelia sebae, Acrohelia horrescens, Oculina horrescens
Similar species
Crystal coralGalaxea fascicularis
Octopus coralGalaxea astreata
Octopus coralGalaxea longisepta
Octopus coralGalaxea paucisepta
- Galaxea coral
Galaxea acrhelia
- Octopus coral
Galaxea cryptoramosa
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).
- 116 open-data records from 1949 to 2006.
- Species data updated November 2, 2026.
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