Also known as Threefin Blenny, Threefin, Triplefin.
Found singly, pairs or in small schools over wave swept reef margins, resting on coral outcrops, rocky surfaces and under ledges, close to drop-offs.
They feed on benthic invertebrates and zooplankton.
Length - 2.8cm
Depth - 0-10m
Western Indian Ocean - Maldives, Sri-Lanka.
These Blenny related fish have three fins which gives them the their name "Triplefins" Ref: https://www.fishbase.se/summary/25691