Yes, that’s right, sooner or later the fish in your pond are going to have babies. Around late spring to early summer, koi and goldfish start spawning. As the fish spawn, they reproduce thousands of eggs. Only a few of them survive and become baby fish.
How old is a 4 inch koi?
A four to five inch koi should be about 1 year old. most Koi breeding take palce between Late april to the end of June, there are exceptions of course but this is the norm.
How long do koi fry take to grow?
The fry should grow to 20mm – 25 mm after 4 to 5 weeks after swim up and this is when selection MUST take place. If the best are not selected for further growth and the deformed, weak and ugly removed, then the growth and health of the population as a whole will suffer.
Why do koi stay in one spot?
Like all other animals, koi that are ridden with parasites and diseases are less likely to have the energy to move around. Parasites usually lead to infections and disease (and vice versa). When affected fish stay put in one place, it is likely that their swimming organs have been compromised.
Why is my koi fish so fat?
Koi do not have stomachs, just a digestive tract. The “fat belly “appearance is caused by feeding a poor quality food which is high in carbohydrates and poorly balanced ingredients. The fat builds up around the internal organs and can lead to health problems, such as heart attacks.