Also known as Blackface Blenny, Mediterranean Triplefin, Threefin,Threefin Blenny, Triplefin, Yellow Black-faced Blenny.
Found over shallow and deep rocky substrates close to entrances to caves and under overhangs of coastal reefs.
They feed on benthic crustaceans and invertebrates.
Length - 8.9cm
Depth - 0-40m
Widespread Eastern Atlantic, Mediterranean.
These Blenny related fish have three fins which gives them their name "Triplefins" Ref: https://www.fishbase.se/summary/Tripterygion-delaisi.html