Alcyonium acaule Family : Alcyoniidae The Alcyonium acaule is a species endemic to the Mediterranean overhangs and caves. It forms digitiform colonies that can reach 20 cm. The colour, very variable, goes from orange red to pink and pale yellow © Giuseppe Mazza → To appreciate the biodiversity of the CNIDARIANS please click here. Alcyonium acaule was last modified: October 2nd, 2018 by Giuseppe Mazza