Optivus agastos, Sydney, NSW, Photo: Rick Stuart-Smith
Optivus agastos, Poor Knights Is, New Zealand, Photo: Andrew Green
Optivus agastos, Northland, New Zealand, Photo: Rick Stuart-Smith
Rounded body, reddish brown colour, and white and dark markings on opercles and fins. The species releases a toxic white substance through pores in the skin as a defensive measure when captured.
Max Size: 12 cm
Sea Temperature Range: 14.0-23.2°C
Depth: 1–30 m
Habitat: Rocky Reef
IUCN Threat Status: Not Evaluated
Occurrence: Frequent (16% 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: Many (11 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: GJ Edgar. 2008. Australian Marine Life. New Holland, Sydney