Pecilobricon is a shy resident of aquariums. This small (no more than 5 cm in length) fish, belonging to the Kharatsin family, lives in some rivers of Brazil and Peru. Typically, pecilobricons keep in small flocks, swimming near the surface of the water, but at the same time near a site with a large stone or plant, near which you can mask or hide in case of danger.
The body is elongated and in shape resembles a spindle, the mouth is small, the eyes are located on both sides of the head. The color is not bright, more suitable for camouflage: a gray back with rather large scales, a small strip of gold is on the side of the fish, and below it is another, but already black, and very large, often reaching the silver abdomen. But this is only during the day: at night, the lateral stripes disappear, and instead of them diagonal large and dark-colored stripes become visible. The caudal fin is homocercal, but seems heterocercal due to the transparent upper lobe (lower — dark), often there is a golden band between them.
The male and female are distinguished by the ventral fins: in the female they are transparent, and in the males they are decorated with bright stripes. Anal fin with a red spot and white stripes. The fish’s swimming method is also interesting: the pecilobricon swims at an angle of 45 ° to the surface of the water - this is due to its menu - in nature, the fish eats insects that have fallen into the water.
Pecilobricons are very unpretentious in matters of feeding: despite the fact that the fish prefers live food (do not believe it in its small mouth - in fact, these fish have well-developed jaws that can grind anything), Nannostomus eques will be happy and dry. Usually fish like to eat food held on the surface or in the water column. But in case of severe hunger, pecilobricons can pick up the largest pieces from the bottom of the aquarium, despite the fact that it is not very convenient for them because of the specific way of swimming.
Maintenance and care
Firstly, pecilobricons love the company, so it is best to settle a whole flock of 5-6 fish in the aquarium. They can also be kept with any safe species of fish: Nannostomus eques (this is the second name of pecilobricone) is very friendly, albeit fearful. Secondly, there must be comfortable places in the aquarium where fish can climb in case of stress: plants, small grottoes any buildings. Thirdly, in order to create better conditions for their fish, it is necessary to adhere to the natural climate of their homeland: warm (23-30 ° C) water with low acidity (pH from 6.0 to 7.5) and dim lighting. Attention, it is necessary to monitor the amount of nitrogen in the water: fish feel bad in a liquid that is oversaturated with these compounds.
A male who liked the female swims near her, trying to touch her nose with his own. Usually the female deviates, and the male continues to swim in front of her. It must be borne in mind that some fish may not fit together, as a result of which spawning will not take place, which is why it is best to remember pairs that have successfully spawned before. Put a couple of fish in a specially prepared place with soft slightly acidified water with a temperature of about 27 degrees. Attention, plants with wide leaves must be present, on the bottom of which the female will spawn eggs. This happens with short breaks so that the male manages to fertilize them. Typically, the female lays up to hundreds of eggs, an average of 40-70. Spawning usually lasts quite a long time, with large interruptions, so take your time to immediately put the fish out into the general aquarium. A day later, tiny larvae hatch from the eggs, another 2 days lying at the bottom. When a young streak appears in young pecilobricons, as in adults, they crawl to an elevation and hang without movement. In a little less than a week, babies will swim in the same way as adults. At this point, you can turn on the light and replace broadleaf plants with ordinary ones. Try to feed the babies with rotifers, ciliates or small cyclops at first, and then transfer to regular feed.