
DiscoverSpeciesCorals and anemones
Spine coral
Hydnophora pilosa
- Usual depth2–15 m
- Water temperature21–30 °C
- Best monthsAugust
- How commonRare
Photo credit: (c) Susan Prior, some rights reserved (CC BY), uploaded by Susan Prior · CC BY · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 1 records
- February: 4 records
- March: 5 records
- April: 2 records
- May: 5 records
- June: 5 records
- July: 3 records
- August: 18 records
- September: 3 records
- October: 6 records
- November: 3 records
- December: 2 records
Depth and water temperature
Depth
Mostly recorded at 2–15 m · Deepest record: 28 m
Water temperature
Recorded in surface water of 21–30 °C
Photos

(c) Susan Prior, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Susan Prior, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Spine coral, spine coral
Names in 1 more languages
- Japanese
- イボサンゴ
Similar species
Spine coralHydnophora exesa
Spine coralHydnophora microconos
Spine coralHydnophora rigida
- Spine coral
Hydnophora grandis
false knob coralAstrea curta
lesser star coralCoelastrea aspera
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).
- 178 open-data records from 1985 to 2016.
- Species data updated November 3, 2026.
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