| Phalloptychus | |
|---|---|
| Phalloptychus eigenmanni, male in middle, female at bottom (Pamphorichthys hasemani, top) | |
| Phalloptychus iheringii | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Division: | Teleostei |
| Order: | Cyprinodontiformes |
| Family: | Poeciliidae |
| Tribe: | Cnesterodontini |
| Genus: | Phalloptychus C. H. Eigenmann, 1907 |
| Type species | |
| Girardinus januarius Hensel, 1868 | |
Phalloptychus is a genus of poeciliids that are native to eastern and southern Brazil, northern Argentina, Paraguay and Uruguay.
The maximum length for a male is around 2.5 cm, while for females it is around 3.5 to 4 cm.
There are currently three recognized species in this genus. They are listed below: