How do goldfish get pregnant?
Sarah Duran
Updated on March 22, 2026
Will she get pregnant? Goldfish don't get pregnant that way; all fertilization happens outside. The female will spray her eggs and the male will spray sperm on them to fertilize them. The eggs will simply attach to any surface they land on.
How does a goldfish have babies?
Goldfish mate by chasing each other until the female goldfish releases her eggs. The male goldfish then releases his “milt”, which fertilizes the eggs. What is this? Assuming the eggs don't get eaten, baby goldfish will hatch around a week later.How long are fish pregnant for goldfish?
Hatching TimeAfter release and fertilization, goldfish eggs hatch in two to seven days. In water at 84 degrees Fahrenheit, fertilized goldfish eggs hatch in 46 to 54 hours; in water at 70 to 75 degrees Fahrenheit, they hatch in five to seven days.