Fish for a small aquarium: how to choose
If you need 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 an 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. You do not need to have a lot of fish. One specimen 5 cm long requires approximately 4 liters of water. It is easy to calculate: unpretentious fish for a small aquarium with a volume of 30 liters in the amount of 7-8 pieces. will feel quite comfortable.
Rule four. It is not necessary to have very different in behavioral factors of individuals. For example, some fish constantly move, 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 vertically, so that there is no overpopulation of any of the layers of water (bottom, middle, upper).
Types of fish for a small aquarium
The most common is an inexpensive fish for a small aquarium guppy. 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, the sword-bearers and guppies can coexist well together.
Another fish for a small aquarium is black Mollies. It is more demanding on the temperature and mineral composition of the water. Therefore, it is slightly salted. Particularly effective are disc red pecilia. All these fish are similar in terms of content, feeding and care.
Fish spawning eggs
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 neonas 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 acquire larger fish, then you can stay on a pair of scalarries or parrots of pelvicaromises.
Small catfish (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.