KOI TERMINOLOGY
BENI – Red.
BENIGOI – Non-metallic, deep crimson koi.
BOKE SHOWA - Showa with indistinct greyish black pattern.
CHAGOI – Non-metallic brown koi.
DIA – Mutant scales that appear gold over red and silver over white areas of skin.
DOITSU – Koi with no scales other than enlarged scales along the lateral line and two lines running either side of the dorsal fin.
ENYU – Purplish koi with red markings.
FUKURIN - Net effect of lustrous skin around the scales of (usually) metallic koi.
GIN - Silver
HAJIRO – Black koi with white nose and white-tipped fins.
HANATSUKI – A red pattern that reaches the mouth.
HI – Red.
HIKARIMOJI – Class for single-coloured metallic koi.
HIKARIMOYO – Class for all multi-coloured metallic koi except Utsuri and Showa.
INAZUMA – Lightning strike pattern.
IPPON HI - Where solid red runs from nose to tail without a break.
KAGE - Shadowy black reticulated marking over white (or red on Hi Utsuri).
KAWARIMONO - Class for all non-metallic koi not included in any other group.
KI – Yellow.
KIGOI - Non-metallic yellow koi.
KINDAI – White skin predominates the koi carp.
KIN – Gold
KIN-GIN-RIN / GIN-RIN – Koi with highly reflective gold and/or silver scales.
KIWA – Border of red and white at the rear edge of red patterns.
KOHAKU – White koi with red markings.
KOKESUKE – Semi-translucent.
KOROMO – ‘Robed’. Red colouration overlaid with blue or black.
KOROMO SHOWA – Solid black joins black reticulation over the red.
KUCHIBENI – Red lips ; literally translates to lipstick.
MAGOI – Ancestral black carp.
MARUTEN – A self-contained head marking, plus red elsewhere on the body.
MATSUBA – Black centre to scale, giving a pinecone appearance.
MENKABURI – Red head.
MENWARE – Showa head pattern.
MIDORIGOI – Greenish yellow with mirror scales.
MOTOGURO – Solid black colouration in the base of pectoral fish on Showa and related varieties.
NIDAN – Two-step pattern.
SANDAN – Three-step pattern.
SANKE – White koi with red and black markings.
SHIMI – Undesirable individual dark brown or black scales on areas of ground colour.
SHIRO MUJI – All-white, non-metallic koi.
SHOWA – Black koi with red and white markings.
SORAGOI – Plain blue-grey koi.
SUMI – Black
TANCHO – Circular red spot on head. No other red on the body.
TATEGOI – ‘Unfinished’ koi of any age that should continue to improve.
TORA/ TIGER/ OGON – Metallic equivalent of Ki Bekko.
TSUBO SUMI – Black on white skin.
UTSURI - Reflections
YAMATONISHIKI – A metallic Sanke koi.
YONDAN – Four step pattern.