DiscoverSpeciesOther invertebrates
Chaetodiadema granulatum
- Usual depth36–120 m
- Water temperature23–30 °C
- Best monthsJune
- How commonRare
Photo credit: (c) Andrey Ryanskiy, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
About this species
Chaetodiadema granulatum is a species of sea urchins of the Family Diadematidae. Their armour is covered with long and slender spines, and the test is quite flattened.
Text from the Wikipedia article “Chaetodiadema granulatum”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
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Best months
Worldwide (open data)
- January: 3 records
- February: 4 records
- March: 2 records
- April: 2 records
- May: 4 records
- June: 13 records
- July: 4 records
- August: 1 records
- September: 3 records
- October: 2 records
- November: 0 records
- December: 4 records
Depth and water temperature
Depth
Mostly recorded at 36–120 m · Deepest record: 152 m
Water temperature
Recorded in surface water of 23–30 °C
Names and classification
Other scientific names: Chaetodiadema sundararaji
Similar species
Long-spined Sea UrchinCentrostephanus rodgersii
Blue-spotted UrchinAstropyga radiata
Savigny's Longspine Sea UrchinDiadema savignyi
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).
- 115 open-data records from 1903 to 2019.
- Species data updated October 26, 2026.
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