Raising baby guppies can be an incredibly rewarding experience if you understand the right care techniques. One crucial sign to look for when your female guppy is nearing birth is the appearance of the gravid spot on her belly, which darkens as the time approaches. Moving her to a separate birthing tank can significantly reduce stress and protect newborns from being eaten by other fish, such as goldfish known for their curiosity and potential aggression. When setting up the birthing tank, maintaining warm water and adding plenty of plants provides hiding spots for fry to slip beneath cracks and avoid predation from adults. Initially, expect the mother guppy to be a bit frantic, but she will soon settle down and appear calm as she prepares to give birth. In my own experience, I initially kept the pregnant guppy with goldfish, hoping the environment would be suitable. However, the goldfish began harassing the newborns, which was stressful and dangerous. After moving her to a separate tank, I noticed the baby guppies thrived better with less risk, and the mother was less stressed. Providing this dedicated space not only improves the survival rate of the fry but also creates a healthier environment for the entire aquarium. Overall, key factors like proper tank separation, careful observation of the gravid spot, and ensuring a plant-rich, warm habitat can bolster your success in fishkeeping and raise happy, healthy guppies.