Black spot at pectoral fin base, wide dark upper and lower tail margins, and light spot under rear base of dorsal fin. Sometimes forms huge schools on subtropical WA reefs.
Information
Max Size: 9 cm
Sea Temperature Range: 17.8-24.0°C
Depth: 2-75m
Habitat: Coral Reef, Rocky Reef
Rarity
IUCN Threat Status: Not Evaluated
Occurrence: Common (20% 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: Large aggregations (127 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Chromis westaustralis, Rottnest Island, WA, Photo: Antonia Cooper
Chromis westaustralis, Rottnest Island, WA, Photo: Ben Jones
