
DiscoverSpeciesOther invertebrates
Ovoid sea urchin
Amblypneustes ovum
- Usual depth5–20 m
- Water temperature14–20 °C
- Best monthsJanuary and March
- How commonRare
Photo credit: (c) Terra Occ, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Amblypneustes ovum is a species of sea urchin of the family Temnopleuridae. Their armour is covered with spines. It is in the genus Amblypneustes and lives in the sea. Amblypneustes ovum was first scientifically described in 1816 by Jean-Baptiste de Lamarck.
Text from the Wikipedia article “Amblypneustes ovum”, 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: 45 records
- February: 36 records
- March: 69 records
- April: 40 records
- May: 25 records
- June: 36 records
- July: 32 records
- August: 40 records
- September: 23 records
- October: 26 records
- November: 36 records
- December: 30 records
Depth and water temperature
Depth
Mostly recorded at 5–20 m · Deepest record: 62 m
Water temperature
Recorded in surface water of 14–20 °C
Photos

(c) Oliver S., some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Josh Nitschke, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Rod Lowther, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Greg Tasney, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Liam Sultana, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Ovoid sea urchin
Other scientific names: Amblypneustes griseus, Amblypneustes serialis, Amblypneustes textilis, Echinus griseus, Echinus ovum
Similar species
Little Pink UrchinAmblypneustes elevatus
Diamond patterned sea urchinAmblypneustes formosus
Grand sea urchinAmblypneustes grandis
Pale sea urchinAmblypneustes pallidus

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).
- 331 open-data records from 1908 to 2017.
- Species data updated October 31, 2026.
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