In the post-Soviet space ruff rare in Ukraine, Moldova, Belarus, Baltic States, Kazakhstan, Russia. This species, which belong to the family percidae, very widespread in all territory of the Russian Federation, excluding its Northern part and far East.
This schooling fish lives in large ponds, rivers, lakes, quarries. Ruff prefers places with clean sandy bottom, although it can be found anywhere on the pond.
Ruff – fish is small, its average size is 7-10 cm, and weight not more than 100 g. Indeed, it is very similar to a brush, especially when it is taken out of the water. He immediately takes a pose of intimidation – will raise the spiny dorsal fin, the fins will straighten and bend his tail to the side. Continue reading
The beauty and pride of Karelia, the White sea, many Russian regions can boast a private sea. Let a small 90 sq m, not 340-60 meters deep, it is still present. Is considered a Bay of the Arctic ocean, despite the cold, the fauna and flora rich. Due to the large influx of fresh water is not very salty, therefore, closed by ice for almost half a year. The ice cover is formed in November, which goes to the end of may. Sometimes the freeze-up in October until the third week of June.
The best months for recreation and fishing on the coast, the end of June until the second decade of August.
In the area of Karelia the water warms up to 15 – 18 degrees, in shallow areas more. Often in summer, calm weather, more Sunny days, comes the white nights. The air temperature can rise from 25 to 28 degrees, average 17-18 degrees. Continue reading
Aquarium fish swordtails are popular fish for home detention. These fish are known for its rich color, as well as an interesting caudal fin, similar to a sword. Aquarium swordtails live in harmony with all other types of fish that are not aggressive to them.
To contain swordsmen can groups and pairs . For one pair of swordtails enough tank of 10 liters, the same group of swordsmen to 10 individuals will need an aquarium of 50 l. In nature swordtails can grow up to 10-12 cm, but aquarium swordtails usually grow less. Swordtails are viviparous fish: the females can breed up to 200 fry.
Aquarium fish swordtails in nature are green, but at home there are white, red, gold, ruby, black and other colours of these fish. Continue reading