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DiscoverSpeciesCorals and anemones

hammer-tooth coral

Fimbriaphyllia ancora

  • Corals and anemones
  • IUCN: Least concern
  • Usual depth2–13 m
  • Water temperature25–29 °C
  • Best monthsJanuary, February, and April
  • How commonOccasional
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Photo credit: (c) Susan Prior, some rights reserved (CC BY), uploaded by Susan Prior · CC BY · iNaturalist

About this species

Fimbriaphyllia ancora is a species of hard coral in the family Euphylliidae. It is known by several common names, including anchor coral and hammer coral, or less frequently as sausage coral, ridge coral, or bubble honeycomb coral.

Text from the Wikipedia article “Fimbriaphyllia ancora”, 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: 84 records
  • February: 90 records
  • March: 74 records
  • April: 86 records
  • May: 72 records
  • June: 57 records
  • July: 46 records
  • August: 64 records
  • September: 61 records
  • October: 66 records
  • November: 74 records
  • December: 63 records

Depth and water temperature

Depth

Mostly recorded at 2–13 m · Deepest record: 36.5 m

  • 0–10 m: 56 records
  • 10–20 m: 16 records
  • 20–30 m: 1 records
  • 30–40 m: 1 records

Water temperature

Recorded in surface water of 25–29 °C

  • 24–26 °C: 58 records
  • 26–28 °C: 52 records
  • 28–30 °C: 16 records

Names and classification

English
hammer-tooth coral
Names in 2 more languages
German
Hammerkoralle
Japanese
ホソナガレハナサンゴ

Other scientific names: Euphyllia (Fimbriaphyllia) ancora, Euphyllia anacora, Euphyllia ancora, Fimbriaphyllia (Euphyllia) ancora

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).
  • 271 open-data records from 1979 to 2010.
  • Species data updated November 2, 2026.

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