| GERNERAL Division |
Management of the association and the head office |
| Publications and social services by Nishikigoi |
| General activities and finance, and other things |
| SHOW Division |
Operation and advices for koi shows and competitions |
| Works and advices for All Japan Show |
| INTERNATIONAL Division |
Management of the overseas chapters, friendship clubs and their members |
| Judge exchanges and arrangement to overseas koi shows |
| Promotion of Nishikigoi to the world |
| FISH KEEPING and RESEARCH Division |
Research and study on Nishikigoi Keeping |
| Guidance against fish diseases |
| JUDGING Division |
Instruction of Nishikigoi appreciation and judging |
| Holding judging seminars |
