Addicted2Fish Forums - - An Australian based free online community for hobbyists.
Allexperts Fish Q&A - - Volunteers answer questions about caring for freshwater and saltwater fish and operating an aquarium via FAQs and a library of previously asked questions.
AquaChat - - A general chat that lists scheduled and unscheduled chat times for various topics to choose from.
AquaHobbyist Web - - This site is for hobbyists to share comments and talk about the hobby.
AquaRealms.Com - - Contains discussion boards covering planted tanks, marine aquaria, cichlids, discus, bettas, luohan, arowanas and general topics.
AquariumHobbyist - - A listing of a multitude of discussion forums offered, including topics on freshwater and saltwater fish, individual species, ponds, plants, and aquatic creatures such as turtles and hermit crabs.
AquariumPros.ca - - Canadian reefing online community where one can discuss and chat with hobbyists of all levels from beginner to advanced.
Aquatic Hobbyist - - Covers all aspects of tropical, freshwater and marine fish care aimed at everyone from novices to experts.
Aquatic Quotient Forum - - Contains discussion boards covering general fishkeeping, planted tanks, marine aquaria, cichlids, FAQ and health. Includes a chat room and photo galleries.
Aquatic Zone - - A discussion board covering cichlids, aggressive, and general aquaria, with a miscellaneous and photo section.
AquaTopia Forums - - A general fishkeeping forum with fast facts on fish and diseases.
A.S.A.P. Aquarium Message Board - - Discussion of general aquarist topics. Freshwater, saltwater, tropical and general fish questions are asked, answered, and discussed.
Carolina Aquarium Community Forum - - A place for Carolina aquarium enthusiasts to share their experiences, discuss their aquaria and fish, or buy, sell and trade items.
CarolinaCichlids.com - - Specializing in advice on keeping cichlids and oscars, but also offers advice on freshwater fish and saltwater fish.
The Fish Forum - - Includes discussion boards on freshwater, saltwater, sick fish, plants, ponds, general care, brackish water fish, picture gallery, classifieds, and chat room.
Fish Forums - - Discussion of topics covering freshwater, saltwater and reef, do it yourself, ponds, and has sections for buying and selling as well as clubs.
Fish Profiles - - Discussion regarding freshwater, saltwater, and general topics for many species of fish and aquaria-related topics.
FishGeeks Forums - - Offers family-friendly forums on all facets of aquarium keeping from freshwater to marine reef systems. This board is moderated to keep it friendly and informative.
FishKeepers Forum - - Variety of discussion boards and articles including designs for DIY filters.
FishkeepingBanter.com - - A forum covering ponds, and freshwater and marine fishkeeping.
FishLore Tropical Fish Information and Care - - Informational website featuring a forum for freshwater and saltwater aquarium hobbyists, especially beginners to the fishkeeping hobby.
The Fishtank Crew - - Offers several bulletin boards including beginner assistance, young fishkeepers, product discussion, and specialist boards.
Flowerhorns R' Us - - A site dedicated to promoting the hobby of raising Flowerhorns.
Freshwater Forums - - A resource of information and ideas to assist with species-specific and general questions. Expert tips, photo album, chat, and polls.
Hardcore Aquatics Inc. - - Dedicated to Canadians in the aquarium hobby, supplies information regarding responsible aquarium husbandry for marine, freshwater and pond hobbyists.