Sarcotragus spinosulus Schmidt, 1862
black leather sponge

Location:
Found in less than 3m depth, Santa Marina, Salina, Eolian Islands, Sicilia.

Links:
World Register of Marine Species
http://www.marinespecies.org/aphia.php?p=taxdetails&id=165086
SeaLifeBase
https://www.sealifebase.ca/summary/Sarcotragus-spinosulus.html
Global Biodiversity Information Facility (GBIF)
https://www.gbif.org/species/2239000
iNaturalist
https://inaturalist.ca/taxa/507766-Sarcotragus-spinosulus

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