条件筛选
-
How to keep koi carp so they do not die easily? Teach you how to tell males from females
Female koi have whiter skin, and their bellies are fuller and larger. In male koi, the pectoral fins and the outer surface of the gill covers have small dot-like raised bumps that you can feel by hand. Male koi tend to be more alert when swimming, and when young, because they become beautiful earlier, ...
-
How were koi selected back in the day? Let me teach you how to score koi
In 1962 (the 37th year of the Showa era in Japan), the first Niigata Prefecture Koi Show was held. The judging standards used at that time were summarized by Kawakami Masaru, Hiroi Makoto, Seki Kenichi, and Oryu Kenji, and have been passed down to this day. Table 1 stipulates that it applies only to sexually mature adult...