HomeFish encyclopediaRay-finned fishesPerch-like fishCardinalfishesGobbleguts Gobbleguts (Apogon rueppellii) Scientific name: Apogon rueppellii G?nther, 1859 The Gobbleguts (Apogon rueppellii) is a brackish-water fish of the family Apogonidae. Native range: Western Central Pacific, Indonesia to northern Australia (including Western Australia) and New Guinea. BiologyInhabit inshore reefs and estuaries. Occur in groups in weedy areas. Nocturnal species.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameApogon rueppelliiFamilyApogonidae (Cardinalfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0EnvironmentMarine; brackish; reef-associatedClimateSubtropicalDistributionWestern Central Pacific: Indonesia to northern Australia (including Western Australia) and New Guinea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 years (Fec = 50) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026