HomeFish encyclopediaRay-finned fishesPerch-like fishCardinalfishesMouth almighty Mouth almighty (Glossamia aprion) Scientific name: Glossamia aprion Richardson, 1842 The Mouth almighty (Glossamia aprion) is a freshwater fish of the family Apogonidae. In the aquarium it needs water at 23–25°C (73–77°F). Native range: Asia and Oceania, New Guinea and Australia. Mouth almighty care at a glanceTemperature23–25°C (73–77°F) BiologyDorsal spines (total): 7; Dorsal soft rays (total): 9-11; Anal spines: 2; Anal soft rays: 8 - 10Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGlossamia aprionFamilyApogonidae (Cardinalfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length18.0Common length12.0EnvironmentFreshwater;; pH range: 7.0 - 7.5; dH range: 12 - 20 benthopelagicClimateTropicalDistributionAsia and Oceania: New Guinea and Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026