Skip to content

DiscoverSpeciesCorals and anemones

Double-star coral

Diploastrea heliopora

  • Corals and anemones
  • IUCN: Least concern
  • Usual depth5–16 m
  • Water temperature13–30 °C
  • Best monthsMarch, July, and August
  • How commonOccasional
All species

Photo credit: (c) Ryan McMinds, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Diploastrea heliopora, commonly known as diploastrea brain coral or honeycomb coral among other vernacular names, is a species of hard coral in the family Diploastreidae. It is the only extant species in its genus. This species can form massive dome-shaped colonies of great size.

Text from the Wikipedia article “Diploastrea heliopora”, 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: 130 records
  • February: 131 records
  • March: 217 records
  • April: 167 records
  • May: 187 records
  • June: 156 records
  • July: 211 records
  • August: 233 records
  • September: 169 records
  • October: 162 records
  • November: 150 records
  • December: 106 records

Depth and water temperature

Depth

Mostly recorded at 5–16 m · Deepest record: 56 m

  • 0–10 m: 162 records
  • 10–20 m: 583 records
  • 20–30 m: 3 records
  • 30–40 m: 3 records
  • 40–50 m: 74 records
  • 50–60 m: 2 records

Water temperature

Recorded in surface water of 13–30 °C

  • 12–14 °C: 233 records
  • 14–16 °C: 0 records
  • 16–18 °C: 0 records
  • 18–20 °C: 0 records
  • 20–22 °C: 0 records
  • 22–24 °C: 0 records
  • 24–26 °C: 27 records
  • 26–28 °C: 77 records
  • 28–30 °C: 68 records

Names and classification

English
Double-star coral, Flowery star coral, Honeycomb coral, double-star coral, flowery star coral, honeycomb coral
Names in 5 more languages
German
Blumensternkoralle
French
Corail rayonnant
Japanese
ダイオウサンゴ
Thai
ปะการังดาวใหญ่
Simplified Chinese
同雙星珊瑚

Other scientific names: Acanthastrea patula, Astraea (Fissicella) heliopora, Astraea (Orbicella) glaucopis, Astraea (Orbicella) glaucopsis, Astraea (Orbicella) patula, Astraea glaucopsis, Astraea heliopora, Astrea glaucopis, Astrea heliopora, Astrea patula, Diploastraea heliopora, Diploastrea glaucopsis, Diploastrea patula, Heliastrea heliopora, Orbicella glaucopsis, Orbicella heliopora, Orbicella minikoensis, Orbicella minikoiensis, Orbicella patula

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).
  • 1,182 open-data records from 1816 to 2019.
  • Species data updated November 2, 2026.

Log what you see on your next dive

The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.

Join the waitlist

DiveHive uses necessary cookies to work. With your permission we also use analytics to see which pages help. Analytics is off until you say yes, and we never record what you type.

  • NecessaryAlways on: your choice, security.Always on
  • AnalyticsOff unless you accept.Off
Privacy policy