The first and oldest Killifish association, also the worlds first global specialty fish club (1961) and first mailing list about tropical fish (1986). Covers North Americas: Canada, the United States and Mexico.
Belgium has two national clubs
As the seat of the European parliament and center of EU diplomacy, Belgium has two national Killifish clubs that don't talk to each other.
I go to a show and take crappy pictures. Hristo Hristov goes to them and takes photos that end up on the covers of magazines. Like this one...
Multiple regional clubs exist also, ie, west, south.
Indonesian Killi clubFounded 2016. This is their first show.
Japan Killi Club
SOKS shows are usually held in conjunction with the annual Canadian Association of Aquarium Societies ("C.A.O.A.C").