What Kind of Fish to Get for Your New Aquarium

By Leonard Boyler

If you have just decided to set up an aquarium, the number one question on your mind must be what kind of fish should I get? When you look at your choices in the pet store, you realize that it will not be easy to make that decision.

This can be a daunting experience for new fish keepers. Of course, you want fish that appeal to you and have the right 'look,' but when selecting fish for your new aquarium, there are three important questions to keep in mind. First, how large will this fish grow? Second, what are the fish's water quality requirements? Finally, how well will this fish live with the other fish I want?

Some fish will stay small, say an inch or less. These are generally considered community fish. Many fishkeepers select a group of similar community fish to fill their tank. Good choices for tropical community fish include guppies, swordtails, Platies, and dwarf Gourami. When selecting these varieties, choose fish that are about the same size, and avoid mixing different varieties unless you have been advised that they will get along well together. Never purchase just one community fish; they are used to swimming in schools, and will get lonely in your aquarium. A good rule of thumb for this size of fish is one inch of fish for one gallon of aquarium water.

Most other species of fish will grow much larger, anywhere between six inches and several feet. With a few exceptions, these are best kept alone, as they will attack smaller or weaker fish. If you do select one of these larger species, you'll need an aquarium size to match. Keeping one of these species in a ten gallon tank is possible when they are very young, but you will need to upgrade eventually.

When buying your fish, it is best to immediately get the aquarium that would accommodate the adult size. Once you have chosen the specific species that you like, find out how big the fish are at adult size and get the correct size aquarium. The one gallon per inch rule of thumb for the much smaller community fish would not apply to these kinds of fish.

A few varieties of fish can live in almost any water condition. The most popular of these is goldfish. They are known to be almost indestructible, and will probably survive even without lights or a filter on the tank, although this is not recommended.

The slightly more picky tropical fish need a narrower water temperature range, as well as high-quality water. To achieve the water quality these fish need, test your water frequently, use a good filter on the aquarium, and consider products like the EcoBio-Block, which improves your aquarium water quality and reduces maintenance. Some fish need a specific pH, or have other water quality requirements. Be sure to do your research so that the fish you choose have similar water requirements.

The last category of fish includes saltwater or marine varieties. These are tricky to keep, and are best left until you have fishkeeping experience with freshwater fish. In addition to temperature, light, and water quality requirements, you must also keep an eye on the salt levels in the aquarium. These beautiful fish require a lot of work to keep them healthy, and you cannot mix freshwater fish with saltwater varieties.

Lastly, whatever the species you decide on, always remember to buy only those fish that are healthy. Inspect them carefully for uneven scales, irregular growth or injuries. Check also if they have bright eyes and intact fins. They should have healthy appetites and move actively and naturally in the water.

The fish you eventually choose for your aquarium will bring you many happy days of living nature experiences that are guaranteed to reduce your stress and give comfort and beauty to your home or office. - 29955

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