Fish farming, practiced in Ancient Egypt, as evidenced by the sources dated about 2000 BC, over four thousand years ago. In Mesopotamia, in temples the priests kept the fish in ponds. Fish were kept in ponds in ancient Rome and Greece.
But only in China began to engage in purposeful breeding of different breeds of fish, which we know under the name goldfish.
To the right is a detail of a mural in Egyptian tomb, which depicts a pond with fish
Goldfish is the usual subspecies of the goldfish ( Carassius auratus ). It is assumed that the subspecies living in China, was separated from the rest of toothcarps formed millions of years ago mountains. This subspecies, which is West of the Himalayas is not found, when it was developed ornamental goldfish.
Left – map showing the distribution of toothcarps ( Cypridontae ), to which the goldfish belongs, and the primary habitat of a goldfish. In the wild this fish niceley rivers, lakes, ponds and all dents filled with water. Carp undemanding and can live in flowing and stagnant water. In nature, fish may have different color variations, depending on ambient conditions. The most important of these conditions is light. Continue reading
Sea aquariums has recently become increasingly popular.
In Europe and America marine aquarium, a phenomenon long familiar, and Russia, the level of development of the marine aquarium, a little ahead of Ukraine.
Although, in fairness, it should be noted that the oldest existing public marine aquarium is located in Sevastopol. Now, the presence of a marine aquarium at home or office likewise the statement that “life is good”.
To have a marine aquarium is prestigious and beautiful, and, finally, very, very interesting. Marine aquarium you can simply admire, and can be observed to the limit of detailed, complex and fascinating world of the coral reef.
But there are a number of factors that hinder the development of this area of the aquarium. And it’s not just a financial issue. Although the creation of a marine aquarium is an expensive enterprise, but the main factor, in my opinion, is the lack of information on the merits. Tell friends about your desire to start a marine aquarium and you’ll probably hear something like: “But it’s so hard.”, “Here’s so-and-so did and, as a result, all fish died, corals missing…” etc., This reaction is quite understandable. The unknown is always, to put it mildly, alarming. Continue reading
International Black sea day (International Black Sea Day) is celebrated to commemorate the day in 1996 when six black sea countries — Bulgaria, Romania, Turkey, Georgia, Russia and Ukraine — signed the Strategic action plan on rehabilitation and protection of the Black sea .
This Plan was developed after a thorough research of the marine environment, which showed that its viability has deteriorated significantly in comparison with the previous three decades.
Its main purpose was to draw international attention to what irreparable damage to the sea causes overfishing, water pollution and global warming .
On this day in the participating countries this document a variety of activities devoted to the problems of the Black sea and preserving its unique ecosystem. Their main aim is the formation of public opinion in defense of the sea and facilitation of education of ecological culture of the population.
Fishing on the Black sea
On the Black sea can be successfully catch fish with spinning. For those who first planned to go fishing on the Black sea will give recommendations on caring for gear and introduce undesirable for a catch and even dangerous inhabitants of the Black sea: a sea Scorpion and a dragon. Continue reading