AKCA/Koi USA - Associated Koi Clubs of America.
American Cichlid Association - Membership required to tap resources.
American Killifish Association - Extensive resources including e-mail lists, photos, and Annual Conventions for Killifish enthusiasts.
ANGFA Home Page - Promoting the conservation, study, keeping and propagation of the native fishes of Australia and New Guinea.
Appalachian African Cichlid Club - Local or internet-only memberships are available. Photos, membership application and past articles online.
Ashtabula Country Aquarium Club - Provides a place where people, who are interested in the hobby of raising, breeding or exhibiting tropical fish, can visit and exchange information to promote and develop the hobby.
Associated Koi Keepers of America - A site dedicated to Koi in the garden pond as well as promotion of the hobby. Features sections on Koi Health, Pond Construction, Pond Filtration, Photos of Ponds, KOI USA Magazine, and a Library of Koi & Pond Articles.
Atlanta Area Aquarium Association - Learn more about the clubs and events.
Boston Aquarium Society - Members are involved in every aspect of the hobby from marine to aquatic plants and fish plus ponds.
British Rainbowfish And Goby Society - The B.R.A.G.S. home page
Caer Urfa Aquarist Society - United Kingdom - A club of avid tropical and cold water fishkeepers. Region Tyne and Wear.
Canadian Rift Lake Cichlid Association - Dedicated to the study, keeping, promotion and conservation of the Cichlids of the African Rift Lakes.
Columbus Area Fish Enthusiasts - Club dedicated to the health and well being of aquarium fish, and plants.
Crouch Valley Koi Section - A furtherance of interest in koi keeping,together with the sharing of knowledge about Japanese coloured carp.
Desert Marine Society - Not-for-profit marine aquarium organization directed towards the salt water enthusiast, with education and learning being the primary interest. AZ.
DGLZ - German Society for Livebearers - A large club with more than 300 members not only in Germany. General Information, Publications, Fish records, how to join.
Dunstable & District Aquarist Society - All about tropical fish, many articles, plus info on the clubs activities.
Florida East Coast Koi & Watergardening Association - A group of fish and pond enthusiasts in the East Central Florida area (mainly Volusia County). Meet once a month, year round, at a member's pond.
Greater Chicago Cichlid Association - Chicago Area Cichlid Association, a group of tropical fish enthusiasts specializing in the fishes of the family Cichlidae.
Greater Cincinnati Aquarium Society - Good pages with a lot of general information. Including good Brackish Water Fish FAQ.
Greater Cincinnati Killifish Association - Conserves, raises, and shows "Killifish". These are an easy-to-maintain group of freshwater tropical fish.
Greater Orlando Aquarium Society - Information on meetings, a tradeing post, auctions, and guest speakers.
Greater Seattle Aquarium Society
Green Water Aquarist Society of Chicagoland - A Chicago-area general interest club.
Hamilton & District Aquarium Society - Hobby club for people interested in keeping and breeding tropical fish; located in Hamilton, Ont., Canada
International Fancy Guppy Association - An organization of IFGA sanctioned guppy clubs dedicated to defining breeding standards, breeding show quality fancy guppies, and promoting the hobby.
International Rainbowfish Association - News of the German based IRG (Internationale Gesellschaft für Regenbogenfische e.V.)
Jersey Shore Aquarium Society - Central New Jersey's gathering place for the tropical fish hobbyist.
Lorain County Aquarium Society - Links for aquarium clubs, meeting sitemap, and club activities including the Spring auction. Ohio.
Marine Aquarium Society of Sydney - Links & Info for the marine/reef aquarist with an Aussie (esp. Sydney) twist
Marine Study Group of the Greater Portland Aquarium Society - Study group of the Greater Portland Aquarium Society. Working to increase the members' knowledge and skills in the art of successfully keeping marine organisms in closed systems.
Marinelife Aquarium Society of Michigan - The Marine life Aquarium Society of Michigan is an independent nonprofit organization dedicated to promoting and continuing in the maintenance, study and propagation of marine life within home aquaria.
MASNA (Marine Aquarium Societies of North America) - National organization for marine aquarium hobbyists and clubs.
Michigan Cichlid Association - Membership information, convention photos and links page.
Mid South Aquarium Society Memphis/Tenn. - Aquarium club web site.
Milwaukee Aquarium Society - Club Events Calendar, articles written by members of the Milwaukee Aquarium Society and information on other club sponsored activities.
Minnesota Aquarium Society - Fishkeeping, aquariums & beautiful fish from the hobbyists in the Land of 10,000 Lakes.
N. C. K. C. - We are dedicated to helping the Koi Clubs in Northern California achieve together what may be impossible for them to do alone. Our goal is to help the clubs educate the public on the art of owning and raising koi.
North American Native Fishes Association - NANFA brings together people with an interest in the conservation, collection, study, and aquaristic appreciation of the native fishes of North America; and assembles and distributes information on native fishes.
Northwest Koi and Goldfish Club - A large pond, koi, and goldfish club from the northwest United States
Ohio Area Aquarium Clubs' Info Page - Calendar of events, auctions, shows, and meetings for all clubs in the Ohio area.
San Francisco Bay Area Koi Club - A non-profit, educational club dedicated to the increasing public knowledge about raising, keeping and showing koi as well as building and maintaining koi ponds.
Saskatoon Aquarium Society - Information on keeping tropical fish. Email list and Fish Room galleries. Monthly meetings, auctions and more.
South Jersey Guppy Group (Fancy Guppies) - A Website for serious guppy enthusiasts specializing in championship show guppies.
Southern California Cichlid Association - Includes information about care and breeding, photos, aquarium tips, club details, and related links.
The American Livebearer Association - Home page of the ALA, the world largest livebearer organisation.
The AUNZZA Mailing List Home Page - A forum for residents of the Southern Hemisphere to discuss Killifish.
The British Cichlid Association - A non-profit society which aims to promote knowledge of Cichlids, interest in their care and breeding and the conservation of endangered Cichlids.
The British Koi-Keepers' Society - The British Koi Keepers Society, a group of like minded people who share a common interest in Nishikigoi (Koi).
The Digitally Re-Mastered Cichlid - Homepage of the Victorian Cichlid Society Inc (Australia). A group of aquarists specialising in the Family Cichlidae (cichlids).
The Exotic Fish Society of Hartford, Inc. - The Exotic Fish Society of Hartford is one of the oldest Tropical Fish Societies in the USA
The International Betta Congress - The is the official site of the International Betta Congress. The IBC is an international organization dedicated to the development of the beautiful fish called Bettas.
The Lincoln Aquarium Society Home Page - One of the better club sites.
The Marine Aquarium Society of Los Angeles - The Internet's LARGEST marine aquarium society web site.
The Official Koi Club of Malaysia - Malaysia Koi Club