| All Tropical Fish - Marine Fish, Invertebrates & Freshwater Fish
| Provides information on saltwater fishkeeping, corals, invertebrates and freshwater fish. Offers fish forums, community, fish topsites list, article and photo upload, plus aquarium link exchange. |
| Badman's Tropical Fish | Loads of info here, nice layout and lots of interactivity. |
| Corydoras World | A site devoted to the Corydoras catfish |
| FBAS | Federation of British Aquatic Societies |
| FishLink Central | A huge site full of aquarium resources |
| The Krib | Wide range of info, specialising in aquatic plants and dwarf cichlids |
| Loaches online | An excellent resource for everything on loaches |
| OATA | Website of the Ornamental Aquatics Trade Association |
| Planet Catfish | A superb resource dedicated to all things catfish related, huge image library |
| Practical Fishkeeping magazine | An excellent website to complement the UK's top fishkeeping magazine |
| Polypterus.info | The Tropical Tank's sister site dedicated to the Polypterids (Bichirs and Ropefish) |
| ScotCat | A nicely designed site presenting an excellent resource on catfish |
| The Cichlid Fishes of Lake Malawi, Africa | Lots of info on Lake Malawi, its cichlids and other fishes |
| SHOAL | An innovative approach to freshwater fish conservation |
| The Skeptical Aquarist | An excellent website, with plenty of well-researched articles and a very healthy philosophy towards fishkeeping! |
| Wharf Aquatics | If you live in the UK, my local aquatic store Wharf Aquatics
comes highly recommended! Voted the UK's Best Aquatic Retailer six times! (by the Readers of Practical Fishkeeping magazine) |