Also known as Blackface Blenny, Black-faced Blenny, Mediterranean Triplefin, Threefin, Threefin Blenny, Triplefin.
Found over very shallow rocky shores of coastal reefs.
They feed on benthic invertebrates.
Length - 8cm
Depth - 6-12m
Widespread Black Sea, Mediterranean Sea
These Blenny related fish have three fins which gives them their name "Triplefins" Ref: https://www.fishbase.se/summary/Tripterygion-tripteronotum.html