Ostorhinchus rueppellii

Western gobbleguts | Gobbleguts | Northern Gobbleguts | Ruppell's Cardinalfish | Apogon ruepellii | Apogon rueppellii
Ostorhinchus rueppellii
Ostorhinchus rueppellii, adult, Photo: Rick Stuart-Smith


Tropical Indo-Pacific


Silver-grey with a single lateral row of black dots and a diagonal stripe behind the eye. Another row of dots on base of soft dorsal fin and a single black spot at base of anal fin. Forms large aggregations over shallow seagrass beds in Western Australia.


Max Size: 12 cm

Sea Temperature Range: N/A

Depth: 0-10m

Habitat Generalization Index: N/A

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: Infrequent (7.5% 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 (225 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