These cheery fish make a far better choice than the tiger barbs which can become aggressive fin-nippers. These are all fish that do well in waters with a pH of around 7 and a temperature of 74 to 76 degrees Fahrenheit. Here are some of the best candidates for a first aquarium. While this will limit your choices, the truth is that you will find a small tank with only a couple of different species enjoyable to watch and gives you a chance to observe your fish closely while becoming comfortable with good aquarium maintenance. A broad 1-inch fish has to be counted as 1½ or even 2 slim fish. The rule applies for regular rectangular tanks – not narrow show tanks or designer tanks with little surface area. Your first concern is the number of fish your tank will hold, the rule being 1-inch of fish for every gallon of water. If you are planning a community tank, find out how big each fish will get, whether they swim in schools, and whether they're aggressive.
Your first fish should be a hardy species with few special food needs. Once you've made your choices, read up a little on the species you like to make certain you know their temperature, pH and dietary requirements. Shop around, ask questions, and most importantly, make a couple of visits to each store to see that the fish are healthy. While waiting the few weeks it will take to make sure that your new aquarium is running properly, spend the time looking in pet and aquarium shops for the right fish.
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