
DiscoverSpeciesCorals and anemones
Staghorn coral
Acropora millepora
- Usual depth1–8 m
- Water temperature22–30 °C
- Best monthsMay, August, and November
- How commonOccasional
Photo credit: no rights reserved · CC0 1.0 · iNaturalist
About this species
Acropora millepora is a species of branching stony coral native to the western Indo-Pacific where it is found in shallow water from the east coast of Africa to the coasts of Japan and Australia. It was first described in 1834 by Christian Gottfried Ehrenberg as Heteropora millepora.
Text from the Wikipedia article “Acropora millepora”, 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: 33 records
- February: 68 records
- March: 58 records
- April: 74 records
- May: 186 records
- June: 59 records
- July: 62 records
- August: 151 records
- September: 60 records
- October: 97 records
- November: 127 records
- December: 95 records
Depth and water temperature
Depth
Mostly recorded at 1–8 m · Deepest record: 287 m
Water temperature
Recorded in surface water of 22–30 °C
Photos

(c) Nicola Crockford, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Nicola Crockford, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Kevin Judge, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Staghorn coral
Names in 2 more languages
- Japanese
- ハイマツミドリイシ
- Simplified Chinese
- 多孔軸孔珊瑚
Other scientific names: Acropora (Acropora) millepora, Acropora (Lepidocyathus) convexa, Acropora (Lepidocyathus) millepora, Acropora (Lepidocyathus) prostrata, Acropora (Lepidocyathus) squamosa, Acropora convexa, Acropora librata, Acropora prostrata, Acropora singularis, Acropora squamosa, Heteropora millepora, Madrepora (Lepidocyathus) convexa, Madrepora (Lepidocyathus) millepora, Madrepora (Lepidocyathus) prostrata, Madrepora (Lepidocyathus) rubra, Madrepora (Lepidocyathus) squamosa, Madrepora convexa, Madrepora millepora, Madrepora prostrata, Madrepora rubra, Madrepora squamosa, Montipora rubra, Montipora rubrum
Similar species

Staghorn CoralAcropora austera

Table coralAcropora cytherea


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).
- 1,905 open-data records from 1834 to 2024.
- Species data updated October 26, 2026.
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