Ornamental Fish  
   Information and community services for aquatic hobbyists and the ornamental fish industry.
   http://www.ornamentalfish.org/

Waterlife  
   Advice and information on the care of fresh and salt water aquariums and help with fish disease diagnosis and treatment. Includes a products directory.
   http://www.waterlife.co.uk

Fishkeeping resources in the UK  
   A guide to coldwater, tropical, marine, koi and pond retailers, clubs and vets in the UK.
   http://www.fishkeeping.co.uk

The Koi Warehouse  
   Dedicated koi outlet in Cardiff, offering pictures of fish and goods for sale.
   http://www.koiwarehouse.com/

Ilford and District Aquarist and Pondkeepers Society  
   Details of meetings, photo galleries, list of members, and event details.
   http://www.ilfordaquarists.co.uk

Tetra Fish UK  
   Tetra a manufacturer and supplier of food, test, care, remedy and equipment products for aquariums and ponds. List of retailers, products with fish and aquarium care.
   http://www.tetra-fish.co.uk/

Watford Aquarium  
   For UK reefkeepers, information on the care of aquariums. Suppliers of equipment and livestock.
   http://www.reefkeeper.co.uk

Practical Fishkeeping Magazine  
   Monthly publication with information on fishkeeping, marine, freshwater and ponds. Question and answer section.
   http://www.practicalfishkeeping.co.uk/

The Calypso Fish and Aquaria Club  
   Dedicated to ichthyology, fish, aquaria and related pool and pond enjoyment. Contains membership details, events, and forum.
   http://www.cfac.fsnet.co.uk/

Osphronemus Goramy  
   Contains a photo and information on the Giant Gourami.
   http://www.geocities.com/timrome/index.html

Aquarist Classifieds  
   Free advertising forum for aquarists. Includes fish, fry, tanks and equipment.
   http://www.aquarist-classifieds.co.uk/

Aquarist Classified Adverts  
   Free aquarist classified adverts to buy, sell and swap your marine fish and invertebrates.
   http://www.marines-for-sale.co.uk

Astley Aquatics  
   Basic care advice for malawi and tanganyikan cichlids, FAQ's, species descriptions and photos.
   http://members.tripod.com/astleyaquatics

Richdon Koi  
   Supplying koi carp, dry goods, filters and pumps. Located in Derbyshire.
   http://www.Koicarp.com

Maidenhead Aquatics  
   Chain of shops in southern England and Wales. Includes store locations, fish databank, guides and online forums.
   http://fishkeeper.co.uk/

Reef Encounters  
   Aquarium installation specialists. Located in Buckingham, England.
   http://www.reefencounters.co.uk

The British Koi-Keepers' Society  
   Formed for the exchange of koi keeping information, through social events and a monthly magazine.
   http://www.bkks.co.uk/