DiscoverSpeciesCorals and anemones
Lesser knob coral
Cyphastrea chalcidicum
- Usual depth1–14 m
- Water temperature11–30 °C
- Best monthsJanuary and May
- How commonOccasional
Photo credit: (c) Thomas Mesaglio, some rights reserved (CC BY) · CC BY · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 17 records
- February: 7 records
- March: 2 records
- April: 9 records
- May: 26 records
- June: 2 records
- July: 12 records
- August: 14 records
- September: 8 records
- October: 9 records
- November: 1 records
- December: 1 records
Depth and water temperature
Depth
Mostly recorded at 1–14 m · Deepest record: 40.5 m
Water temperature
Recorded in surface water of 11–30 °C
Names and classification
- English
- Lesser knob coral, lesser knob coral
Names in 2 more languages
- Japanese
- コトゲキクメイシ
- Simplified Chinese
- 碓突細菊珊瑚
Other scientific names: Cyphastraea bowerbankii, Cyphastraea chalcidicum, Cyphastrea capitata, Madrepora chalcidicum, Solenastrea bowerbanki, Solenastrea bowerbankii
Similar species
Lesser knob coralCyphastrea microphthalma
Lesser knob coralCyphastrea ocellina
Lesser knob coralCyphastrea serailia
Lesser knob coralCyphastrea decadia
- Lesser knob coral
Cyphastrea agassizi
- Lesser knob coral
Cyphastrea japonica
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).
- 446 open-data records from 1775 to 2012.
- Species data updated November 2, 2026.
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