Smooth, purplish-black massive encrusting to cushion-shaped sponge found down to 70 m
Look alikes:
Spheciospongia vesparium
Neopetrosia carbonaria
Aaptos duchassaingi
Spongia pertusa
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith