The lemon-striped pygmy hogfish is a small slender wrasse which has obvious, wide, horizontal red stripes which run from the head along the body in large adults; one strip runs along the back and inner part of the dorsal fin, another from the nose along the flanks ends in a spot on the upper caudal finpeduncle, while a third stripe runs along the lower side and lower part of the anal finonto the caudal fin. There is a distinct black spot on the operculum. The gaps between the red stripes may be yellow. The body colour and pattern changes with age and mature males in what is known as the terminal-phase are similar to the above description but have a larger and prominent red spot on the upper part of the base of the caudal fin. The largest specimen had a standard length of.
The lemon-striped pygmy hogfish occurs where there are gentle reef slopes over substrates consisting ofcleanrubble where there is a strong current. It has been filmed using baited remote underwater video on the Great Barrier Reef at depths of.