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Looks like a bad case of carp pox and possibly some signs of bacterial infection, how's your water quality and temperature?

I could see that being a factor in fry viability. I noticed a big difference in the egg size between my 10" Shusui and and 14" Kohaku. Presumably a...

Just my thoughts here, I believe these fish are still in development stages I use to believe that 3yrs old were ok for breeding purposes but time has...

What's your water parameters if you have test kit?

Well, I leaned into the plate a bit. I tend to dive head first into things. I knew I wanted to try koi breeding this season, but didn't expect to get...

Not sure what there is to misunderstand. They are 10-12 inches. I am guessing not more than 2-3 yrs old. I bought them in Feb 2024 as 6-7" fish but...

Your koi sure seem to be throwing you some curve balls this year. Looks like maybe the same darker male shusui as from your shusui spawn. Were...

Asian hi fin sharks are great at keeping hair algae short and can handle cold water. They get biggish but quite placid. If you have tropical...

Well who knows? Maybe that darker male will turn out to be a better match for that female after all. They seem to both have quite a bit of orange. ...

So this is my pond. It’s 3 years old now. The main issue is the algae clogging the sieve and the spray bar on the Bakki shower. I don’t have long...

If you go back and read some of this thread you will find that the answers to your questions have already been addressed, welcome to the forum:)

Forgive me if I overlooked it, but do you have an estimate on total number of fry? Any thoughts on what criteria you'll use for the first round of...

From that youtu.be video am taking a long shot here but am I looking at 12 to 14" fish here, what are the ages of these koi and please don't...

Yes, all Shusui. This is a video from shortly after the spawn. The female is the one that lingers in the corner the longest and the other two are...

Pressure treated lumber can have chemicals that would kill the fish, just something to be extra careful.

Some pictures of your pond? Excessive algae growth is a symptom of high nitrogen load, the best way is to mechanically remove them as that removes...

I agree with Matt about some form of protection. Given the setting, you could have a lot of critters looking for a free meal.

Okay, so I gather the fry are shusui/shusui (not shusui/everybody). That's good. Got any pictures of the parents? I can see that, being...