Springer, V.G. and J.T. Williams, 1994. The Indo-West Pacific blenniid fish genus Istiblennius reappraised: a revision of Istiblennius, Blenniella, and Paralticus, new genus.. Smithson. Contrib. Zool. 565:193 p
Dorsal fin with XII-XIII spines and 21-24 soft rays; anal fin with II spines and 20-22 soft rays; pectoral fin with 14 soft rays; pelvic fin with I spine and 3 soft rays. Nuchal cirrus absent, supraorbital cirrus simple. Occipital crest in male, none in female. This species shows a high degress of sexual dimorphism in color pattern.
Inhabits demersal marine environment. Occurs in intertidal zones in large rock pools or coastal bays. Found near-shore; common in tide pools. Oviparous. Feeds on algae scraped from rubble or rock surfaces.
Western Pacific: Ryukyu Islands southward to McClure and New Year Islands, Northern Territory, Australia.