(Lophiobrycon weitzmani)
Lophiobrycon weitzmani is a species of small characin endemic to Brazil, where it is found in the upper Paraná River basin. It is considered threatened by Brazil's Ministry of the Environment. This species is the only member of its genus, but it is closely related to Glandulocauda and Mimagoniates (together they form the tribe Glandulocaudini).