Parma unifasciata
Girdled parma
Distribution
Temperate Australasia
Description
Occurs abundantly along the central New South Wales coast, generally preferring a boulder habitat with wave surge. Adults have an obvious white vertical band across the centre of the body. The yellow and blue juveniles also carry the band but it is much less distinct.
Information
Max Size: 18 cm
Sea Temperature Range: 15.6-25.6°C
Depth: 1-25m
Habitat Generalization Index: 22.67
Also referred to as the SGI (Species Generalisation Index), this describes the habitat niche breadth of the species. Species with values less than 15 are found in a relatively narrow range of reef habitat types (specialists), while those over 25 may be found on most hard substrates within their range (generalists). Learn more here.
Conservation and Rarity
IUCN Status: Not Evaluated
Occurrence: Widespread (68.2% 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 (13 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