''Thayeria ifati'' is a freshwater fish in the family

Characidae Characidae, the characids or characins is a family of freshwater subtropical and tropical fish, belonging to the order Characiformes. The name "characins" is the historical one, but scientists today tend to prefer "characids" to reflect their ...

of the order

Characiformes Characiformes is an order of ray-finned fish, comprising the characins and their allies. Grouped in 18 recognized families, more than 2000 different species are described, including the well-known piranha and tetras.; Buckup P.A.: "Relationsh ...

. It is a tropical fish. It resides in the basin of the Maroni and Approuague in

French Guiana French Guiana ( or ; french: link=no, Guyane ; gcr, label=French Guianese Creole, Lagwiyann ) is an overseas department/region and single territorial collectivity of France on the northern Atlantic coast of South America in the Guianas. ...

.https://www.seriouslyfish.com/species/thayeria-ifati/ SF

References

Fish described in 1959 Freshwater fish of South America Taxa named by Jacques Géry Pristellini {{Characidae-stub