DiscoverSpeciesOther invertebrates
Meridiastra fissura
- Usual depth1–11 m
- Water temperature15–22 °C
- Best monthsFebruary, March, and April
- How commonRare
Photo credit: (c) Photographer: Blair Patullo, 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: 9 records
- February: 11 records
- March: 17 records
- April: 15 records
- May: 9 records
- June: 3 records
- July: 1 records
- August: 0 records
- September: 1 records
- October: 3 records
- November: 9 records
- December: 2 records
Depth and water temperature
Depth
Mostly recorded at 1–11 m · Deepest record: 15 m
Water temperature
Recorded in surface water of 15–22 °C
Photos
(c) Photographer: Blair Patullo, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist
Names and classification
Similar species
Carpet Sea StarMeridiastra calcar
Gunn's six-armed starMeridiastra gunnii
Eastern six-armed starMeridiastra 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.
- Conservation status as published by GBIF (IUCN Red List).
- 59 open-data records from 1969 to 2007.
- Species data updated November 4, 2026.
Log what you see on your next dive
The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.