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Home: KOI Talk: Koi Breeding:
Possibly redundant question...sorry

 





 


Condor
Koi Lover

Aug 27, 2004, 9:41 AM

Post #1 of 4 (748 views)
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Possibly redundant question...sorry Can't Post
We have had numerous fish in our pond -- but this spring we had a huge flow of algae strings (ropes) and algae mats and we now have about 2 dozen babies in the pond. I never considered it before...don't know why since my African cichlid raising is always aware of avoiding hybridization...but I recently discovered that koi and goldfish can cross breed. So ... how can I tell which of my fry are goldfish and which are koi? I have some babies that have the similar coloration of the koi parents which make some simple (I hope). But how do I differentiate between koi fry and goldfish fry?

Thanks,

Michael


koifishgirl
Koi Kichi


Aug 27, 2004, 10:17 AM

Post #2 of 4 (743 views)
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Re: [Condor] Possibly redundant question...sorry [In reply to] Can't Post
All koi have barbel or wiskers and koi-golfish cross do not, nore do they have the colouring as koi do.
Judy


linear
Koi Lover


Aug 27, 2004, 4:49 PM

Post #3 of 4 (717 views)
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Re: [Condor] Possibly redundant question...sorry [In reply to] Can't Post
wait for them to grow a bit and u will notice that the dorsal fin on koi is different and that they will be developing barbels!

Once you start koi you just can't stop.

Smilei love my doitsu sankeSmile


Condor
Koi Lover

Sep 5, 2004, 9:01 PM

Post #4 of 4 (660 views)
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Re: [linear] Possibly redundant question...sorry [In reply to] Can't Post
I have been watching the fry -- plan on doing some culling this weekend. I do not think I have a situation where the koi eggs are hybidized by goldfish. I think I have goldfish eggs hybridized by koi. I am getting alot of 'goldfish' gold coloured fish which naturally I want to cull. But I do have some that are not growing as fast, with more slender bodies, that have koi colouration. I am hoping these are not hybrid as one has a beautiful white body with orange-red head.

One thing I did notice, though, some of the fish have extremely tiny pectoral fins. I mean to the point of weird. They have large goldfish bodies with fins and tails appropriate for a fish 1/2 it's size. They seem to swim using their tails and one frequently ends up in the overflow filter. Is this an indicator of proof that the goldfish eggs were fertilized by koi?

 
 
 



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