Viviparous. These kinds of bright and unpretentious. They hold the palm of popularity among aquarists for several decades. The main secret of its popularity are viviparous their size, colour, simplicity and ease in keeping and breeding. Formed birth to live fry, bypassing the stage of eggs is the main feature of the viviparous. After the birth of the fry, adult fish, you need to isolate, as adult viviparous individuals can take the fry for live food and destroy the hatchlings. To save fry, landed in the corners of the densely growing aquatic plants.
Guppy. This is a favorite of aquarists and children. Guppies — the most common viviparous. They are found in most aquariums. Males have more popularity than females because of their iridescent coloring. Almost all the male guppies have large bright tail fins, which may surpass in size all the fish. There are breeds with ball tail fin and long dorsal fin (it hangs on its side in the form of a tape). Interesting is the forked form of the tail in which the upper and lower rays abruptly lengthened relative to the middle of the tail. Breeders was bred breed guppies with elongated lower beam tail. But the female guppies prakticheskimi colored, dull and not have a significant diversity of colors. Continue reading
The black sea is an inland sea basin of the Atlantic ocean. Interestingly the origin of the name Black sea. Throughout its history it has changed names several times. The ancient Greeks called it the “hospitable sea”, Pontos euxeinos. The Russians called it “Russian” or Partskim. Then for centuries it has been rather eloquent title: the Cimmerian, Holy, Blue, Scythian, Inhospitable, tavryches’ke, Ocean, Tamaron, etc.
About his name there are several hypotheses. I believe that this name was given by Turks: Karaden guise or Black, that is inhospitable. So they called him because of the fierce resistance of the local population, who lived on the black sea coast, which the Turks tried to conquer. Possibly, the Black sea was named because of its characteristic severe storms, during which the sea darkens.
The black sea is one of the almost uninhabited land, on the seas. Life in the sea is concentrated in a narrow coastal strip at shallow depths. Two hundred meters below, water freezes. And yet, in Black sea you can find many interesting creatures. Continue reading
Not all aquarium fish (and especially cichlids) so tolerant of their neighbors as ramirezi apistogramma and other dwarf American cichlids. Livable but not their only advantage, they are also very beautiful, they are interesting and, without exaggeration, meaningful behavior. That is why the fashion for these fish kept for many decades.
We all know that fashion is changing. In clothing from season to season, but in the aquarium it is slower. As a rule, the interests of the masses lovers of aquarium fish have time to change considerably over five years. Sympathy for some groups of fishes, having certain pronounced features that can steadily be maintained for decades. And yet, the process goes on. I remember the fashion for viviparous fish has been replaced by fashion for barbs, then became popular South American cichlids, and then a lot of people are fascinated by cichlids, but already African. Like any fashion, the fashion fish repeats. Continue reading