The breeding techniques of goldfish! There will be no harm to goldfish! #fish #koi #fishing

Let's take a look at the quality of goldfish and how to raise them? #goldfish #koi #aquarium

Change the water in the fish pond! Goldfish during their breeding season are very dirty! #fish #koi

Goldfish: Complete Beginners Guide To Care

It's spring! It's the season for goldfish to lay eggs again! #goldfish #koi #aquarium

This is the gonad of the female fish in the breeding period #fishing #koi #fish

The red and white goldfish are always the most beautiful colors #fish #koi #fishing