Oualan Bullseye, Bronze Sweeper, Cave Sweeper, Copper Sweeper, Keeled Bullseye, Keeled Sweeper, Oualan Sweeper, Silver Sweeper
Pempheris oualensis, Photo: Ian Shaw
Pempheris oualensis, Photo: Rick Stuart-Smith
Coppery colouration with a large, prominent black spot on pectoral fin base and small scales. Anal fin with black stripe along base, white stripe down middle and a clear outer margin, pectoral fin orange/pink. Found in caves and under ledges during the day.
Max Size: 20 cm
Sea Temperature Range: 19.0-30.4°C
Habitat: Coral Reef, Rocky Reef
Habitat Generalisation Index: 13.1
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
IUCN Threat Status: Not Evaluated
Occurrence: Frequent (12% 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 (12 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland