Night Anemone

About this species

Alicia pretiosa is a species of sea anemone in the family Aliciidae and can be found in the Red Sea and South Pacific Ocean.

Text from the Wikipedia article “Alicia pretiosa”, 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: 6 records
February: 7 records
March: 13 records
April: 17 records
May: 7 records
June: 1 records
July: 12 records
August: 2 records
September: 6 records
October: 9 records
November: 12 records
December: 19 records

Depth and water temperature

Depth

Mostly recorded at 1.5 m · Deepest record: 1.5 m

0–10 m: 2 records

Water temperature

Recorded in surface water of 27°C

26–28 °C: 2 records

Photos

(c) Roger Rittmaster, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tom Heijnen, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tom Heijnen, some rights reserved (CC BY) · CC BY · iNaturalist
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist

Names and classification

English: Night Anemone, Precious Sea Anemone

Names in 1 more languages

Japanese: カザリイソギンチャク

Other scientific names: Actinia pretiosa, Cereus pretiosus

Similar species

Tuberculate night anemone
Alicia sansibarensis
Hell's fire sea anemone
Phyllodiscus semoni
Crab anemone
Triactis producta

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).
Species data updated October 31, 2026.