
DiscoverSpeciesCorals and anemones
knob coral
Dipsastraea lacuna
- Water temperature29°C
- Best monthsMay, October, and November
- How commonRare
Photo credit: (c) Nicola Crockford, 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: 0 records
- February: 0 records
- March: 0 records
- April: 0 records
- May: 1 records
- June: 0 records
- July: 0 records
- August: 0 records
- September: 0 records
- October: 1 records
- November: 1 records
- December: 0 records
Depth and water temperature
Water temperature
Recorded in surface water of 29°C
Photos

(c) Tom Heijnen, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- knob coral
Other scientific names: Favia lacuna
Similar species
knob coralDipsastraea speciosa
- Head Coral
Dipsastraea favus
- knob coral
Dipsastraea lizardensis
- knob coral
Dipsastraea matthaii
- knob coral
Dipsastraea pallida
knob coralDipsastraea laxa
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).
- 7 open-data records from 2010 to 2010.
- Species data updated November 2, 2026.
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