DiscoverSpeciesCorals and anemones
mushroom coral
Cycloseris costulata
- Usual depth8–40 m
- Water temperature22–29 °C
- Best monthsFebruary, July, and September
- How commonRare
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 0 records
- February: 6 records
- March: 1 records
- April: 4 records
- May: 2 records
- June: 3 records
- July: 6 records
- August: 0 records
- September: 8 records
- October: 2 records
- November: 0 records
- December: 2 records
Depth and water temperature
Depth
Mostly recorded at 8–40 m · Deepest record: 55 m
Water temperature
Recorded in surface water of 22–29 °C
Names and classification
- English
- mushroom coral
Names in 3 more languages
- French
- Corail-champignon lisse
- Japanese
- スジマンジュウイシ
- Simplified Chinese
- 直肋圓珊瑚
Other scientific names: Cycloseris marginata, Fungia (Cycloseris) costulata, Fungia (Cycloseris) halophila, Fungia (Cycloseris) wanneri, Fungia costulata, Fungia doederleini, Fungia halophila, Fungia marginata, Fungia sibogae, Fungia wanneri
Similar species
- mushroom coral
Cycloseris cyclolites
Flat coralCycloseris explanulata
mushroom coralCycloseris fragilis

mushroom coralCycloseris vaughani
Wells coralCycloseris wellsi
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).
- 151 open-data records from 1889 to 2012.
- Species data updated November 1, 2026.
Log what you see on your next dive
The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.