How Can You Tell if Your Goldfish Is Pregnant?

The Basics

Goldfish are not livebearers, they lay eggs. This means they don’t produce live babies. Goldfish don’t get pregnant. However you do need to have a mix of male and female goldfish in order to produce fry.


The goldfish breeding process can be complicated and owners who understand the process will better understand their goldfish.

preparing for fry
To increase survival rates set up a separate breeding tank with filtration

Determining the sex of the goldfish can be difficult, but if you know these characteristics it will help with telling them apart.

Male goldfish characteristics

  • Males are generally smaller
  • They have firmer stomachs than females
  • Pectoral fins of male goldfish are longer

Female goldfish