When choosing what fish to keep in an aquarium there is a couple things that should be taken into consideration first. These are the compatibility of the fish and the difficulty of keeping the fish. Some freshwater fish are much easier to care for because they can adapt to a wider range of water conditions. Some of these same fish are also good choices for a new aquarium because they are hardy fish.
Go to you local fish store and look over the selction of aquarium fish that they carry. Get an idea of some of the fish that you are interested in then look in books and online to find out what specifc needs they have. Read over my guide on choosing hardy tropical fish for tips on choosing good beginner fish.
Find more great websites with lots of information on keeping aquariumn fish in a home aquarium at GreenStalk.com Web Directory.