How to Spot Goldfish Eggs

Goldfish fry are easy to care for and to rear to maturity.
Goldfish fry are easy to care for and to rear to maturity. (Image: BananaStock/BananaStock/Getty Images)

Goldfish are prolific breeders and they are easy fish to breed if you are getting started in the aquarium hobby. A female goldfish can produce anywhere from 500 to 1000 eggs in a batch, though not all of the fry will survive. Spotting the goldfish eggs after the female deposits them is an important part of rearing the fry as the adult goldfish will eat the fry if they see them.

Watch for the mating chase. Male goldfish chase down female goldfish shortly before mating with them, and a sign of frenzied activity in the tank means that the pair is getting ready to spawn.

Watch for the female to deposit the eggs. Female goldfish release their eggs in batches, producing small, round, sticky eggs. Once you see the eggs, remove them from the tank immediately using an aquarium net.

Look around the rocks and the vegetation in the breeding tank. Female goldfish leave their eggs in sheltered protected spots in the tank to give the fry a better chance at survival.

Wait for at least 2 hours after the mating chase and keep looking for eggs. A female goldfish may continue to produce eggs for 2 hours after she mates.

Tips & Warnings

  • Make a spawning mop and leave it in the breeding tank. This simulates the vegetation where the female wishes to deposit her eggs and afterward, the entire spawning mop can be removed with the eggs attached and placed in another tank.

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