Gunn's six-armed star

About this species

Meridiastra gunnii is an Australian species of sea star.

Text from the Wikipedia article “Meridiastra gunnii”, 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: 249 records
February: 145 records
March: 163 records
April: 151 records
May: 160 records
June: 144 records
July: 153 records
August: 214 records
September: 210 records
October: 153 records
November: 198 records
December: 162 records

Depth and water temperature

Depth

Mostly recorded at 2–8 m · Deepest record: 37 m

0–10 m: 173 records
10–20 m: 12 records
20–30 m: 0 records
30–40 m: 1 records

Water temperature

Recorded in surface water of 14–23 °C

12–14 °C: 3 records
14–16 °C: 394 records
16–18 °C: 77 records
18–20 °C: 12 records
20–22 °C: 10 records
22–24 °C: 1 records

Photos

(c) Tim, some rights reserved (CC BY-SA), uploaded by Tim · CC BY-SA · iNaturalist
(c) Peter Crowcroft, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Mitch Van Dyke, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Victor Phillips, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) ttsquid, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Sarah McRae, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Belinda Forbes, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Gunn's six-armed star

Other scientific names: Asterina gunni, Asteriscus australis, Asteriscus diesingi, Asteriscus exiguus, Patiriella brevispina, Patiriella gunni

Similar species

Carpet Sea Star
Meridiastra calcar
Meridiastra fissura
Meridiastra medius
Meridiastra mortenseni
Meridiastra occidens
Eastern six-armed star
Meridiastra oriens

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).
1,653 open-data records from 1902 to 2023.
Species data updated November 4, 2026.