How to select right aquarium fish for your aquarium

What to consider when buying aquarium fish

Before buying new aquarium fish at a pet store it would be good to know symptoms of the fish sickness. This is important knowledge for beginners because they can not only rely on the honesty of the seller in pet shop. There is nothing worse than buying a sick fish which in a short time can lead to the extinction of our aquarium. You should buy only healthy fish and try not to rely on sellers opinion, but carefully look at the fish.

Gregarious species and pairs

If you buy a gregarious species then you must purchase at least a dozen pieces of one kind having predominance of females over males. When you buy fish living in pairs the best is to buy male and female which choose them selfs already (but it is not an easy task to get couple like that).

Overpopulated aquarium

We never should by to many fish. The fish should have a space to swim and also many hiding places. Generally for one adult medium-sized fish we should have six liters of water in the aquarium or 1 liter of water per 1 centimeter of fish length eg. 10 fish 5cm each requires 50 litters of water in the aquarium. Remember that rocks, roots and other decorative elements taking space and we have to calculate it accordingly.

Fish requirements must be met in our aquarium

When selecting fish for an aquarium always check their requirements (pH, hardness, temperature, type of water, etc.), method of reproduction and behavior in the aquar(aggressive, friendly etc.).

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