
Asking an aquarium owner how to breed fancy guppies is a bit like asking one how to keep the fish wet. As long as you have a male and a female fancy guppy in your tank, breeding will take place. But, if the goal is to breed fancy guppies to get viable, attractive, or even show-quality guppy fry, the answer to the question becomes more complex.

The first step in any successful guppy breeding program is choosing the male and female individual fish you want to breed. A bunch of fancy guppies in a communal tank will breed indiscriminately and produce many different color and pattern variations as well as wild type gray guppies.