Large, mottled eel-like species that is closely related to the cods. The dorsal and anal fins are continuous with the tail, and the ventral fins lie below the head and have been reduced to probing feelers. During the day, adult rock ling remain in caves, where they are often mistaken for conger eels, while juvenile animals are observed in sheltered seagrass habitats.

• Max Size: 120 cm
• Sea Temperature Range: 10.7-21.7°C
• Depth: 0-60m
• Habitat: Rocky Reef, Seagrass

• IUCN Threat Status: Not Evaluated
• Occurrence: Infrequent (5% 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: Solitary (1 per transect)
  Abundance is calculated as the average number of individuals recorded per RLS transect, where present.