Главная 7 Aquarium fish 7 Beckford’s nannostomus: akvaraim breeding guidelines

Beckford’s nannostomus: akvaraim breeding guidelines

Beckford’s nannostomus is an unusually beautiful fish from the family of haracin. When observing the behavior of a hydrobiont, you can sit for an hour in front of the aquarium and not notice how this hour has passed. The fish tirelessly flaps its pectoral and dorsal fins like small fans.

This is especially noticeable when the fish hangs in one place.

At times, the males choose small patches in the aquarium, which are jealously guarded from intrusive neighbors. If a worthy competitor appears in the aquarium, tournaments are guaranteed in the aquarium, although they are always harmless.

During the skirmish, the color of the males darkens, the fins spread out, and the sides begin to rub against each other. The duration of the bout is about 30 seconds, after which comes a small truce and a new bout.

The color of the males is very attractive: the back is dark brown, a dark blue wide stripe runs along the body, and a bright red stripe runs from the middle of the side to the tail. The third of the caudal fin is also red.

The ventral fins have a bluish rim, which contrasts with a dark background. All fins, with the exception of the anal, have black rays.

Females are not so brightly colored, unlike males. However, below and above there is a longitudinal black stripe with a golden border, which is almost impossible to notice in males.

In addition, females, unlike males, have a calmer temper and a full belly. At night, the color fades, and the fish become transparent in appearance, and several oval black spots appear on the body.

The transformation is so amazing that you can even doubt whether it is a fish in front of you. It is enough to turn on the light at night, and you will see for yourself.

However, nannostomuses like to sleep at night, huddled under some plant.

Well-trained producers can spawn literally the next day after planting fish to spawn. The hardness of the spawning water should be no more than 3 degrees, the active reaction of the medium 6.2 – 6.8 pH, and the temperature 24 – 28 degrees.

The volume of spawning aquarium may be less than 10 liters, but in small-volume aquariums the likelihood of parents eating caviar increases.

In spawning it is desirable to place a large number of small-leaved aquarium plants, so that the fish literally squeeze between them. This condition is a guarantee of successful spawning and preservation of all caviar.

If the amount of spawning allows, then you can leave a little space for swimming, where the fish will arrange for a short rest.

In the process of caring for the female, the male can persistently chase her through the aquarium, trying hard to push her into the tail or belly. Masonry can follow intermittently in small portions, literally several eggs. As a rule, in one spawning, the female produces no more than six dozen eggs, which initially stick to aquarium plants.

After half an hour the stickiness of the eggs is lost, and it settles to the bottom of the aquarium.

When males stop chasing females after spawning, fish is best removed from spawning. Unfortunately, it is hard to tell right away how many eggs the parents eaten, but, as a rule, about four dozen eggs, of which some will be unfertilized, sink to the bottom.

Spawning takes place under diffuse lighting, and the caviar itself is best pritenit. The first larvae are born a day after spawning. At first, the larvae lie at the bottom of the aquarium.

Over time, the color of the body of the larvae changes, and they get over the plants or walls of the aquarium, where they spend another 2-3 days.

A week after spawning, the larvae spread over the aquarium. An inexperienced aquarist may be surprised by this phenomenon, as the body color of the fry will be somewhat similar to mold, in the middle of which there are dark spots.

The spreading is also quite an interesting phenomenon, since the fry practically do not move and the aquarist will have to hold his attention for a long time in order to understand whether the fish have changed their position.

The first food for the fry will be ciliates, nauplii of cyclops and rotifers. Be prepared for the fact that the fry will not look for food throughout the aquarium, they will only miss what is swimming by. Therefore, to all ate, feed will have to throw a large amount.

As the fry grow, they need to be transferred to the nauplii of Artemia. It is better that this feed is present from the first days, so that later fish can only be transferred to this type of feed.

You will have to constantly clean and clean the aquarium with fry, this is especially true when feeding Artemia. Instead of drained water, it is necessary to add more hard water.

The first month of life the fry practically do not move around the aquarium. A sign that the fry are still alive is a rounded belly after feeding.

At this time, the fry still retain their awkward and childish coloring, and suddenly, it turns out that all the dark specks began to merge into a line and the fry began to move. The clearer the coloring becomes in fry, the more active they become.

At this point, the young can be transplanted into the reed.

The first clear sign of sex difference is the rounded anal fin in the male. Bright and rich coloring in males appears much later.

The fish reach sexual maturity at the age of 8 to 10 months and outwardly this is noticeable due to the increased abdomen in females with the active attention of the males to them.

In the content of the fish is simple as red neon or tern. The main difficulty may lie in the softness of the water in the spawning aquarium and a large number of small-leaved plants, since fish will never breed in an empty tank.

Of course, there will be no spawning if the fish were kept on starvation in their youth or they were raised only on dry food or its substitutes.

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