Aquarists Reunited
- Find long lost colleagues in aquatic, aquarium and ichthyological societies and groups worldwide.
- http://www.aquarticles.org/AquaristsReunited/

Federation of American Aquarium Societies
- FAAS is a service organization of and for aquarium societies in North, Central and South America.
- http://www.faas.info/

IFOCAS: The International Federation of Online Clubs and Aquatic Societies
- Information on membership options, constitution, events and shows and awards. Offers webhosting for aquatic societies. Includes a directory of clubs.
- http://www.i-focas.ic24.net/

FishGeeks
- Aquarium, tropical, pond and saltwater fish, and aquariums information. Includes a searchable worldwide listing of clubs and societies.
- http://www.aquaria.info/modules.php?op=modload&name=database&file=index