DiscoverSpeciesCorals and anemones
Lesser knob coral
Cyphastrea ocellina
- Usual depth0–50 m
- Water temperature24–29 °C
- Best monthsSeptember
- How commonOccasional
Photo credit: no rights reserved · CC0 1.0 · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 1 records
- February: 3 records
- March: 1 records
- April: 5 records
- May: 10 records
- June: 7 records
- July: 4 records
- August: 1 records
- September: 2,048 records
- October: 906 records
- November: 16 records
- December: 7 records
Depth and water temperature
Depth
Mostly recorded at 0–50 m · Deepest record: 98 m
Water temperature
Recorded in surface water of 24–29 °C
Photos
(c) Cricket Raspet, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Cricket Raspet, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist
Names and classification
- English
- Lesser knob coral, lesser knob coral, Ocellated Brain Coral, Ocellated coral
Names in 1 more languages
- Japanese
- ヒメトゲキクメイシ
Other scientific names: Astraea (Orbicella) ocellina, Astrea ocellina, Cyphastraea ocellina, Orbicella ocellina
Similar species
Lesser knob coralCyphastrea chalcidicum
Lesser knob coralCyphastrea microphthalma
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).
- 3,016 open-data records from 1902 to 2010.
- Species data updated November 2, 2026.
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