Cyanogaster

{{short description|Genus of fish}} {{Automatic taxobox | image = Hemigrammus geisleri male (30866).png | image_caption = ''Cyanogaster geisleri'' | taxon = Cyanogaster | authority = Mattox, Britz, Toledo-Piza & Marinho, 2013<ref name = "Cof family">{{Cof family|family=Aphyocharacinae|access-date=17 September 2025}}</ref> | type_species = Cyanogaster noctivaga | type_species_authority = Mattox, Britz, Toledo-Piza & Marinho, 2013<ref name = "Cof family"/> }}

'''''Cyanogaster''''' is a small genus of ray-finned fishes belonging to the subfamily Aphyocharacinae, the glass characins, within the family Characidae. The fishes in this genus are found in the river basins of the Amazon and Orinoco in South America.

==Species== ''Cyanogaster'' contains the following valid species:<ref name = "Cof genus">{{Cof genus|genus=Cyanogaster|access-date=17 September 2025}}</ref> {{Linked species list | Cyanogaster geisleri | (Zarske & Géry, 2007) | Cyanogaster noctivaga | Mattox, Britz, Toledo-Piza & Marinho, 2013 }}

==References== {{Reflist}}

Category:Characiformes genera Category:Taxa named by George M. T. Mattox Category:Taxa named by Ralf Britz Category:Taxa named by Mônica de Toledo-Piza Ragazzo Category:Taxa named by Manoela Maria Ferreira Marinho Category:Taxa described in 2013 Category:Aphyocharacinae Category:Cyanogaster