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The guppy, also known as million fish and rainbow fish, is one of the world's most widely distributed tropical fish and one of the most popular freshwater aquarium fish species. It is a member of the family Poeciliidae and, like almost all American members of the family, is live-bearing.
Gestation period of guppy fish
Gestation may last from 21 to 31 days, although 22 to 28 days is average for most guppy fish pregnancies. A warmer tank - between 77 to 79 degrees Fahrenheit - is best for gestation and will keep the female from being pregnant too long
