- A.S.A.P. Aquarium Message Board - Discussion of general aquarist topics. Freshwater, saltwater, tropical and general fish questions are asked, answered, and discussed.
- 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.
- AOL Pets - Fish & Marine Life Message Boards - Talk about your pet fish and other marine life, ask questions and share advice.
- 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.
- 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.
- 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.
- 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.
- Indian Aquarium Hobbyist - A portal which caters to aquarium hobbyists based in India.
- My Fish Box - Community and resource center for aquaria hobbyists.
- Richfrogs' Tropical Fish Forum - Discussion of all aspects of the hobby.
- The Cichlid Forums - Discussion community for cichlid enthusiasts.
- The Fish and Puffer Forum - A forum for fish and puffers.
- The Fish Forum - Includes discussion boards on freshwater, saltwater, sick fish, plants, ponds, general care, brackish water fish, picture gallery, classifieds, and chat room.
- The Fishtank Crew - Offers several bulletin boards including beginner assistance, young fishkeepers, product discussion, and specialist boards.
- The Winnipeg Fish Forum - An aquaria-related hobbyist site based out of Winnipeg, Canada with forums, chat, and auctions.
- Total Fish Keeping - Forum for fishkeepers.
- Tropical Fish Chat - A forum for discussion of all things in aquaria.
- Tropical Fish Forums - A forum to discuss help topics, general aquarium chat, and fish illnesses.
- UK Aquarist Forums - Help, advice and discussions on aquarium topics, designed for the UK fish keeper.
