Ringtail Cardinalfish, Golden Cardinalfish, Ringtail Cardinalfish
Ostorhinchus aureus, Adult. Photo: Ian Shaw
Ostorhinchus aureus, Jervis Bay, NSW, Photo: Andrew Green
Bright orange with a wide black band around tail base. Two narrow blue stripes from snout through eye. Similar Apogon capricornis has a spot on the tail base rather than a band.
Max Size: 11 cm
Sea Temperature Range: 24.3-28.5°C
Habitat: Coral Reef, Rocky Reef
Habitat Generalisation Index: 4.9
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: Infrequent (4% 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 (43 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