HomeFish encyclopediaRay-finned fishesPerch-like fishCardinalfishesGlassy cardinalfish Glassy cardinalfish (Cercamia eremia) Scientific name: Cercamia eremia Allen, 1987 The Glassy cardinalfish (Cercamia eremia) is a marine fish of the family Apogonidae. Native range: Indo-West Pacific, Red Sea, Cocos-Keeling, Christmas Island, northwestern Australia, Great Barrier Reef, and Palau. Recently reported from Tonga. BiologyDorsal spines (total): 6 - 7; Dorsal soft rays (total): 9-10; Anal spines: 2; Anal soft rays: 12 - 13. Reddish brown pigment on the snout and cheek, clear fins, and deciduous scales. Two pairs of epipleural ribs, no predorsal bones, and hypurals 1-4 are fused into a double fan-shaped structure; 9+15 vertebrae. Transparent with no obvious markings.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCercamia eremiaFamilyApogonidae (Cardinalfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.0Depth range2–40 m (7–131 ft)EnvironmentMarine; reef-associated; depth range 2 - 40 mClimateTropicalDistributionIndo-West Pacific: Red Sea, Cocos-Keeling, Christmas Island, northwestern Australia, Great Barrier Reef, and Palau. Recently reported from Tonga.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