Deciding what kind of fish you want is just one of the first steps in setting up an aquarium. Your local pet store will offer a myriad of choices inside all those colorful tanks lined up on their wall. The question is, which to get?
If you are new to fish keeping, this can be an overwhelming task. But before you choose what particular fish you like, consider these three important questions. One, exactly how big can this fish get? Two, what quality of water does the fish require? And three, will the fish peacefully coexist with the others I want?
Community fish are fish that are usually about one inch or less. Fish keepers usually choose to populate their tanks with groups of similar community fish. Some examples of community fish are sword tails, guppies, Dwarf Gourami and Platies. When you have chosen a variety, find fish that are close to the same size. Get some advice on which varieties get along well with each other if you want to mix them. Avoid getting just one community fish because they are used to swimming in schools and will just be lonely in your aquarium. As a rule of thumb, provide one gallon of aquarium water for every inch of these fish.
The other kinds of fishes can mature to much bigger sizes, anywhere from 6 inches to several feet. These kinds of fish should be kept solitary for they usually show aggression to other fish that are smaller or weaker. When choosing one of these bigger fish you will need an appropriately sized aquarium. While it is possible to house them in a 10-gallon tank, it must be upgraded to a bigger size once they mature to adult size.
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.
There are some varieties of fish that will survive almost any water condition. A popular example of these is the goldfish. They have a reputation for being almost invincible. They will most likely flourish even without lighting or filter, but this is not good aquarium practice.
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 is the saltwater or marine variety. They are much more difficult to take care of, and are not recommended until you have acquired more fish keeping skills and experience with freshwater fish. On top of the light, temperature and water quality requirements of these fish, you also have to monitor the salt content in the aquarium. Never mix the saltwater fish with the freshwater 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.
As you can see, choosing your fish is an important factor when creating your aquarium and good choices will mean many years of enjoyment to come.
Leonard Boyler has been keeping fish for more than two decades. His favorite products make aquarium care and maintenance so easy from start up to clarifying cloudy fish tanks. To learn more about how to keep water clear and fish healthy, please visit ONEdersave.com.
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