Shortfin Molly

Found in schools, over canals, in flooded caves, ditches, ponds, rivers and in warm springs.
Widespread Central and North America

A freshwater fish one of the most popular in the aquarium trade as they are easy to keep in various temperatures of water, are prolific live bearers as well as being very varied with their colourful and patterned tails.
They have also been introduced into various countries as a means of mosquito control.