Mottled brown coloration, six to eight dark saddles in the upper region and a dorsal fin with a first spine that projects slightly above the rest.. Typical behaviour of Petroscirtes sabretooth blennies, often hiding in holes, but curiously peering out or perching on objects. It occupies much the same habitat among boulders and debris in estuaries as is used by the Tasmanian blenny further south. Its diet is somewhat unusual among blennies in including large quantities of plant material.

• Max Size: 13 cm
• Sea Temperature Range: 15.3-24.6°C
• Depth: 1-10m
• Habitat: Coral Reef, Rocky Reef, Seagrass

• IUCN Threat Status: Not Evaluated
• Occurrence: Frequent (10% of sites)
  Occurrence describes how often the species is found on surveys within its distribution. It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed
• Abundance: Few (2 per transect)
  Abundance is calculated as the average number of individuals recorded per RLS transect, where present.