Doitsu Koi are a fairly recent addition to the Nishikigoi universe. The word "doitsu" is a derivative of the Japanese word for Deutsche (German). They are
Doitsu - Koi For Sale - Kodama Koi Farm
Understanding Koi Varieties
Understanding Koi Varieties
Doitsu Koi Delivers Beauty on a Different Scale - POND Trade Magazine
Doitsu - Koi For Sale - Kodama Koi Farm
Understanding Koi Varieties
Doitsu' is a koi that either: 1) has no scales at all; or 2) has scales only along the dorsal fin and maybe along the lateral line as w…
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Koi: A Handbook on Keeping Nishikigoi: Kock, Servaas, Watt, Ronnie: 9781554072156: : Books
Doitsu Koi of the Doitsu variety have - Trini Koi Lovers
Making the Grade: How Quality Koi are Selected
Koi Fish Facts, Koi Fish For Sale
Top 9 Groups of Japanese Koi Varieties