Goke –(GOH keh) Fish scale. Goma - (GOH mah) Sesame' or scattered sumi.Gosai - (GOH sigh) 5 year old koi.Gosanke –(goh SAHN keh) A term that refers collectively to the 'big three' of koi keeping: Kohaku, Sanke, and Showa. Goshiki - (goh SHEE kee) A five colored koi, ...