Currently mine are between 7-9" that are about 4.5 years old in a 125 gallon pond. But I used to have some that were 12-13" in the same pond. They were about 8 years old. All were raised from babies that were carnival/ feeder goldfish.No koi hybrids, just common, comet, or shubunkin (please specify). Very interested to see how big your fish are!!
jus' fer edumacation purposes, Keith; yellow and black = KI Utsuri; what you have is orange/red and black = Hi utsuri as you noted.
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