
DiscoverSpeciesOther invertebrates
Mespilia globulus
- Usual depth1–50 m
- Water temperature20–30 °C
- Best monthsApril, May, and July
- How commonOccasional
Photo credit: (c) Dan Schofield, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Mespilia globulus, the globular sea urchin, sphere sea urchin, or tuxedo urchin, is a sea urchin occurring in tropical shallow reef habitats. The specific name refers to a small ball or spherule, describing its overall shape/morphology. It is the only species in the genus Mespilia.
Text from the Wikipedia article “Mespilia”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 23 records
- February: 26 records
- March: 32 records
- April: 67 records
- May: 52 records
- June: 43 records
- July: 57 records
- August: 23 records
- September: 40 records
- October: 46 records
- November: 30 records
- December: 28 records
Depth and water temperature
Depth
Mostly recorded at 1–50 m · Deepest record: 151 m
Water temperature
Recorded in surface water of 20–30 °C
Photos

(c) TonyT, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) desertnaturalist, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) TonyT, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Micha Baum, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Shelomi Doyle, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) luluchouette, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Names in 1 more languages
- Japanese
- コシダカウニ
Other scientific names: Cidaris granulata, Echinus alternatus, Echinus atternatus, Echinus globulus, Echinus punctiferus, Mespilia globula, Mespilia levituberculatus, Mespilia microtuberculata, Mespilia whitei, Mespilia whitmaei, Salmacopsis pulchellimus
Similar species
- green-spined salmacis
Salmacis sphaeroides
- Little Pink Urchin
Amblypneustes elevatus
- Diamond patterned sea urchin
Amblypneustes formosus
- Grand sea urchin
Amblypneustes grandis
- Ovoid sea urchin
Amblypneustes ovum
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).
- 504 open-data records from 1758 to 2023.
- Species data updated October 26, 2026.
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