Coscinasterias acutispina

Other invertebrates
IUCN: Not evaluated

Usual depth0–9 m
Water temperature14–26 °C
Best monthsApril and June
How commonRare

All species

Photo credit: (c) WATANABE Hitoshi 渡辺仁, some rights reserved (CC BY) · CC BY · iNaturalist

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 5 records
February: 12 records
March: 26 records
April: 53 records
May: 38 records
June: 64 records
July: 15 records
August: 12 records
September: 15 records
October: 8 records
November: 5 records
December: 6 records

Depth and water temperature

Depth

Mostly recorded at 0–9 m · Deepest record: 9 m

0–10 m: 4 records

Water temperature

Recorded in surface water of 14–26 °C

12–14 °C: 12 records
14–16 °C: 1 records
16–18 °C: 2 records
18–20 °C: 121 records
20–22 °C: 53 records
22–24 °C: 2 records
24–26 °C: 6 records

Photos

Names and classification

Names in 3 more languages

Japanese: ヤツデヒトデ
Korean: 팔손이불가사리
Simplified Chinese: 尖棘篩海盤車

Other scientific names: Asterias acutispina, Coscinasterias (Stolasterias) acutispina

Similar species

Eleven-armed seastar
Coscinasterias muricata
Coscinasterias calamaria
Flat-bottomed star
Asterias amurensis
Seven-armed Sea Star
Astrostole scabra
Island Sea Star
Astrostole rodolphi
Anasterias mawsoni

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.
Conservation status as published by GBIF (IUCN Red List).
440 open-data records from 1873 to 2021.
Species data updated November 1, 2026.

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