Also known as Pygmy Threefin, Pygmy Threefin Blenny, Threefin, Threefin Blenny, Triplefin.
Found over shallow, inshore, wave swept reef crests, slopes, and in tide-pools, of lagoons and coastal reefs, rich in algae growth.
They feed on small invertebrates.
Length - 3cm
Depth - 0-30m
Widespread Pacific Ocean
These Blenny related fish have three fins which gives them the their name "Triplefins" Ref: https://www.fishbase.se/summary/14203