About Phalloceros caudimaculatus (Hensel, 1868)
Common Names
Phalloceros caudimaculatus, commonly called the dusky millions fish, is also known by the common names caudo, leopardfish, and one-spot livebearer.
Native Range
This fish species is native to eastern and southern Brazil, northern Argentina, Uruguay, and Paraguay.
Introduced Range
It has been introduced to Australia, Malawi, and New Zealand, both intentionally for mosquito control and accidentally as escapees from the aquarium trade.
Ecological Impacts
It has been recorded to cause negative ecological impacts in regions where it has been introduced.
Size
Females of this species reach a total length of 6 centimetres (2.4 inches), while males grow to a smaller size.
