Astroides calycularis (Pallas, 1766)
star coral / corallo stellato

Location:
Found in less than 1m depth, Santa Marina, Salina, Eolian Islands, Sicilia.

Links:
World Register of Marine Species
https://www.marinespecies.org/aphia.php?p=taxdetails&id=135178
SeaLifeBase
https://www.sealifebase.ca/summary/Astroides-calycularis.html
Global Biodiversity Information Facility (GBIF)
https://www.gbif.org/species/5184544
iNaturalist
https://www.inaturalist.org/taxa/357373-Astroides-calycularis

International Union for Conservation of Nature (IUCN) status:
Not Evaluated on the IUCN Red List (Global)
Least Concern (LC) on the IUCN Red List (Mediterranean)
​Minor Preoccupazione (LC) on the IUCN (Italy) Lista Rossa