Small natural spawn collected on mops in the tanks.
Same parents as here:
http://goldfishgarage.blogspot.com/2011/03/matsuyama-female-x-itoh-and-oishi-males.html
Same parents as here:
http://goldfishgarage.blogspot.com/2011/03/matsuyama-female-x-itoh-and-oishi-males.html