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View Full Version : How Big do kois have to be in order to breed?



Skibur
06-30-2008, 06:58 PM
Does anyone know i really want to try to breed some :cool3:

vipldy
06-30-2008, 07:58 PM
Does anyone know i really want to try to breed some :cool3:

I would say at least 2 years old but some can be sooner. Its goes more by age than size.

Marie

Skibur
06-30-2008, 10:26 PM
My biggest is about 13-15 in and bot hare butterflies can they breed next spring or possibly right now? And btw, can butterfly kois and normal kois cross breed?

tyco4357
07-01-2008, 07:58 PM
From my experience my koi have started spawning when they were 3 years old. Their insides have to develop in order to produce eggs and sperm. I have heard that a 12 inch koi can reproduce. Usually by that size their insides have developed enough. Butterfly and regualr koi do interbreed. You may end of with some beauties.

Luck
07-01-2008, 08:01 PM
before you breed em, read up on keeping them alive and be prepared with live food small enough to eat and a place to put them with filtration that won't suck them up. Sponge filters work well for this. Fry are fragile and die quickly.

Skibur
07-05-2008, 04:58 PM
So theres a good chance for them that they might all die? Can i like get earthworms and cut them up to feed them?

Hirogoi
07-05-2008, 08:28 PM
Heh, try 11 months for females. My platinum butterfly and tancho spawned this year at only eight inches.

vipldy
07-05-2008, 08:45 PM
Heh, try 11 months for females. My platinum butterfly and tancho spawned this year at only eight inches.

Might be but the older the koi the better the results:yes:

Joey S
07-05-2008, 08:56 PM
You seem to be somewhat inexperienced with Koi. Why would you want to start breeding?

It takes a good breeding pair to produce anything worth keeping. It can also be very hard on the female when the males are overly energetic. Even if you have a spawn with a good pair, it takes a lot of work to keep the fry alive and healthy.

And no, you can just cut up earthworms to feed fry.

Hirogoi
07-05-2008, 10:02 PM
If you just want the experience of raising babies (I did this before I tried my own spawns) just find a friend who has a pond and keep 20 or so young fry. When feeding fry for the intent of having them all make it you need a ridiculous amount of stuff, as well as a lot of time to invest in the craziness of having babies.

lukef
07-05-2008, 11:21 PM
from what i remember it is the number of "warm hours"(hours over a certain water temp) that makes a koi mature...

Skibur
07-07-2008, 01:15 AM
Oh no i dotn want to breed my kois are barely 8 inches i have a 14in taishou sanke butterfly but thats about it. Im asking this for my cousin.

Hirogoi
07-07-2008, 01:30 AM
Pics?

Skibur
07-07-2008, 06:03 PM
I have old pics when he/she was 7inches?