Question: what is the difference between male and female guppies?
Answer: Body and Shape — Female body is a lot rounder and bigger than a male's. Male Guppies usually have very slender body. Female Guppies are almost twice as big as male are. ... A male's anal fin is usually long and pointed. Female's anal fin is triangular shape. The anal fin is the fin just below a Guppy's tail fin.