Fish for a small aquarium: how to choose

If you want to populate a small fish tank within thirty liters, then you need to know a few rules.

A few important rules

Rule one. Fish for a small aquarium should not be predatory. Often get fry, without thinking what size they will achieve when they grow up. Therefore, you need to ask the seller about the maximum dimensions of the adult.

Rule two. Fish for a small aquarium should not be rare and expensive. In such tanks it is difficult to maintain a stable mode. In the case of a violation of the eco-balance (for example, due to excess food), they will die first.

The third rule. It is not necessary to have a lot of fish. One specimen 5 cm long requires approximately 4 liters of water. Easy to count: unpretentious small fish for a small aquarium with a volume of 30 liters in an amount of 7-8 pcs. Will feel quite comfortable.

Rule four. It is not necessary to have very different in behavioral factors of individuals. For example, some fish are constantly moving, while others are inactive.

The fifth rule. It is necessary to start fish taking into account the uniform filling of the vital volume. For example, territorial individuals can occupy a larger space of capacity, which will cause great inconvenience to other inhabitants. In addition, the fish should be combined and vertical, so that there is no overpopulation of any of the layers of water (bottom, middle, upper).

Types of fish for a small aquarium

Viviparous

The most common is an inexpensive fish for a small guppy aquarium. If desired, you can find beautiful specimens of intricate color. Well feel in such containers and swordbreads of different colors. They are red, black, spotty, green. In addition, Sword and Guppies can coexist well together.

Another fish for a small aquarium is black Mollies. It is more demanding of the temperature and mineral composition of the water. Therefore, it is slightly salted. Especially spectacular disc red pecilia. All these fish are similar in terms of content, feeding and care.

Fish, spawning caviar

Striped Sumatran barbs look very good, especially mossy barbs - a mutant of green color.

Fish zebrafish are small and quite unpretentious. Cute veile cardinals are also small in size and suitable for such containers.

The smallest fish for the aquarium, perhaps, are the neon families of the kharatsin family, but they are somewhat more expensive. But neon (red, blue or ordinary) is considered the most spectacular fish among all freshwater flocking representatives. A flock of 10-15 individuals will become a real decoration for any aquarium.

If there is a desire to buy larger fish, then you can stay on a pair of scalars or parrots of pelvicaromises.

Small catfishes (golden, mottled, green) get along well with any fish. They live in the bottom layer, they feed on the remains of the food at the bottom, thereby cleaning the soil. A catfish-ancistrus, thanks to the structure of the mouth-sucker, clean the walls of the aquarium from algal bloom.

The number and composition of the inhabitants of the aquarium depends entirely on the preferences and availability of the finances of its owner.