
DiscoverSpeciesOther invertebrates
southern sand star
Luidia australiae
- Usual depth0–45 m
- Water temperature15–23 °C
- Best monthsJanuary, February, and March
- How commonRare
Photo credit: (c) Belinda Forbes, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Luidia australiae, the southern sand star, is a species of starfish in the family Luidiidae. It is found in the Pacific Ocean around Australia and New Zealand.
Text from the Wikipedia article “Luidia australiae”, 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: 38 records
- February: 28 records
- March: 42 records
- April: 26 records
- May: 16 records
- June: 23 records
- July: 23 records
- August: 12 records
- September: 21 records
- October: 18 records
- November: 16 records
- December: 24 records
Depth and water temperature
Depth
Mostly recorded at 0–45 m · Deepest record: 45 m
Water temperature
Recorded in surface water of 15–23 °C
Photos

(c) Samuel Brown, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Peter Crowcroft, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Sam Wilson, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Philipp, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- southern sand star
Similar species
Eight-armed LuidiaLuidia maculata


Hardwick's Sea StarLuidia hardwicki
Spiny sand seastarLuidia quinaria

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).
- 121 open-data records from 1898 to 2009.
- Species data updated November 4, 2026.
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