Features articles aimed at the serious aquariologist, including a weblog providing semi-scientific fish news, and videos.

Articles and information aimed at novice fishkeepers.

Information on setting up an aquarium and maintaining it, with an emphasis on alternative methods of fishkeeping and water control.

Offers information about UK based store as well as routine maintenance, diseases, water chemistry, and plants.

A resource with tropical fish species profiles, articles and weblog posts, as well as an active community including a forum and club database.

Help articles for fish hobbyists including diseases and medications, spawning and raising fry, and other Betta and aquarium-related documents.

Tips and hints for successful fishkeeping.

Provides a glossary, compatibility chart, disease information, conversion chart, and beginners guide.

Information about fish keeping, including how to maintain a healthy aquarium, and prevent the fish from dying.

Features a variety of articles by Randy Carey aimed at the serious aquarist including identification, species, fishroom automation, keeping of aquariums, and breeding.