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DiscoverSpeciesCorals and anemones

Elkhorn coral

Acropora palmata

  • Corals and anemones
  • IUCN: Critically endangered
  • Usual depth1–8 m
  • Water temperature26–29 °C
  • Best monthsAugust
  • How commonCommon
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About this species

Elkhorn coral is an important reef-building coral in the Caribbean. The species has a complex structure with many branches which resemble that of elk antlers; hence, the common name. The branching structure creates habitat and shelter for many other reef species. Elkhorn coral is known to grow quickly with an average growth rate of 5 to 10 cm per year. They can reproduce both sexually and asexually, though asexual reproduction is much more common and occurs through a process called fragmentation.

Text from the Wikipedia article “Elkhorn coral”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

  • January: 3 records
  • February: 8 records
  • March: 991 records
  • April: 23 records
  • May: 677 records
  • June: 1,352 records
  • July: 430 records
  • August: 3,074 records
  • September: 570 records
  • October: 681 records
  • November: 382 records
  • December: 417 records

Depth and water temperature

Depth

Mostly recorded at 1–8 m · Deepest record: 41 m

  • 0–10 m: 8,044 records
  • 10–20 m: 480 records
  • 20–30 m: 66 records
  • 30–40 m: 11 records
  • 40–50 m: 3 records

Water temperature

Recorded in surface water of 26–29 °C

  • 26–28 °C: 428 records
  • 28–30 °C: 254 records

Names and classification

English
Elkhorn coral, elkhorn coral
Names in 3 more languages
German
Elchgeweihkoralle, Elchhornkoralle
Spanish
Coral Cacho de Alce
French
Corne d'élan

Other scientific names: Acropora (Acropora) palmata, Acropora alces, Acropora flabellum, Heteropora flabellum, Heteropora palmata, Madrepora alces, Madrepora cornuta, Madrepora flabellum, Madrepora palmata, Madrepora perampla, Madrepora thomasiana

Similar species

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).
  • 9,832 open-data records from 1862 to 2023.

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