Guppy gave birth of 7 fry and gave a birth of only one fry after a month but it's big in size why

**Short answer:** It’s pretty normal for guppies to have variable brood sizes. A second, later birth can happen with only a single fry, and that fry can seem unusually large because it developed longer inside the mother or had more yolk reserves. Here’s the lay of the land and how to handle it. **W...