Goldfishes are most famous among beginner aquarists. They are considered to be the easiest to care for fishes.

How to breed goldfish?

Even though goldfish are the most famous fish in the hobby, breeding goldfishes is not as easy as it seems to be. Finding the right pair, creating the right environment to breed, and ensuring the laying of eggs can be risky and difficult processes. However, this article will take you through a step by step process of how to breed a goldfish.

Required supplies

  • Adult Gold fishes
  • Breeding Tank
  • Spawning Mop
  • Divider
  • Protein rich food

Required tools

  • Water conditioners

Total cost: USD 70


Total time: 21 days

  • Step 1 – Breeding tank selection

    Make sure your tank is at least more than 20 gallons. You will have to clean the tank using Formaldehyde, Copper Sulphate, and Terramycin. This ensures the fish’s health and also sets the ground for breeding. The tank should also contain some bushy plants.

  • Step 2 – Set water temperature

    You need to replicate the natural environment of the goldfish in order for it to breed. They prefer a colder temperature between 50 to 54 degrees Fahrenheit or 10 to 12 degrees centigrade.

  • Step 3 – Selection of fish

    Select well grown goldfishes, at least two males and three females.

  • Step 4 – Induce the desire

    Separate the male and female using a divider inside the tank so that the desire to breed increases.

  • Step 5 – Feed them proteins

    Feed the fishes with protein rich food to trigger the breeding process.

  • Step 6 – Reintroduce

    Reintroduce the fishes together. Keep the pair that breeds in the breeding tank.

  • Step 7 – Increase water temperature

    Increase the temperature until it reaches 74 degrees Fahrenheit or 23 degrees celsius. Do a 20% water change every day. Add water conditioners to neutralize the harmful chemicals.

  • Step 8 – Spawning mat placement

    Introduce a spawning mop so that the females can lay their eggs on this spawning mop and then the male goldfish will release the sperms over the eggs.

  • Step 9 – Remove the parents

    Separate the breeders from the eggs otherwise the parents will eat the eggs.


After few days the eggs will hatch and frys will start swimming. Feed them with a healthy diet that they can feed on and grow into adult fishes.

We had listed the crucial steps for breeding the goldfish, believe this step by step guide to breeding goldfish is useful. Request you to leave your comments, which would help enhance this step by step guide.