DiscoverSpeciesOther invertebrates
Clypeaster reticulatus
- Usual depth2–88 m
- Water temperature24–30 °C
- Best monthsApril and May
- How commonRare
Photo credit: (c) B.navez, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
About this species
Clypeaster reticulatus, the reticulated sea biscuit, is a species of sea urchin in the family Clypeasteridae. This species was first scientifically described in 1758 by Carl Linnaeus. It lives on the sandy seabed of shallow seas, semi-immersed in the sediment.
Text from the Wikipedia article “Clypeaster reticulatus”, 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: 8 records
- February: 6 records
- March: 21 records
- April: 71 records
- May: 63 records
- June: 19 records
- July: 27 records
- August: 25 records
- September: 8 records
- October: 10 records
- November: 14 records
- December: 11 records
Depth and water temperature
Depth
Mostly recorded at 2–88 m · Deepest record: 804.5 m
Water temperature
Recorded in surface water of 24–30 °C
Photos
(c) B.navez, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Jennie Pistevos, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Robin White, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Nicola Crockford, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Robin White, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Nicola Crockford, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Other scientific names: Clypeaster (Rhaphidoclypus) reticulatus, Clypeaster scutiforme, Clypeaster scutiformis, Echinanthus coleae, Echinanthus oblongus, Echinodiscus reticulatus, Echinus reticulatus, Lagana ovalis, Laganum scutiforme, Rhaphidoclypus reticulatus, Scutella reticulatus
Similar species
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).
- 301 open-data records from 1758 to 2023.
- Species data updated October 26, 2026.
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