How Long Do Koi Fish Eggs Take To Hatch in the USA
Koi Hatching & Development Depending on water temperature, the eggs usually hatch in 3 – 5 days. the juveniles are about 7 mm long and will feed from their yolk sac for few days. How many koi eggs survive? This means that a 10-pound koi fish would be physically able to lay 1 million eggs….
