It is just part of there natural growth. They can live to be very old so they may change a lot from when you first got them.
a little bit like dark blue
Koi fish are originated from Eastern Asia but they have also been found in China.
kio
The kio would be to big. But it would try to attack it. Then they will fight. Dont put bettas with other fish.
By chemical reaction.
Igor Kio's birth name is Igor Emil'yevich Kio.
the Japanese kio fish/dragon, and butterflies are a couple of many transformation tats
Emil Kio was born in 1894.
Emil Kio died in 1965.
Kio University was created in 1946.
Shimoku Kio was born in 1974.
If you are asking how many eggs (ova) a Kio carp releases when spawning then the answer is many thousands.