Petitella georgiae
 Petitella georgiae the false rummynose tetra is a species of characin found in Amazon Basin in Brazil and Peru. It is a very popular aquarium fish. It is the sole member of its genus but resembles two species from another genus Hemigrammus bleheri and H. rhodostomus.It is distributed in the upper Amazon basin in Peru Rio Purus Rio Negro and Rio Madeira basins (which has been found in an aquarium fish import from Peru in the late 1950s in Switzerland by H. Boutiere).