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
Salad starfish will come in handy in day of protection of the Fatherland. Men don’t only like it externally, but the taste of this salad will be pleasantly surprised.
This salad will decorate your table and requires the most common products from which will not hurt your budget. You can do it on a large serving size, but you can also get several small plates and prepare a salad each guest.
The best thing about this salad is fish cutting, which will take a lot to close all sides. Inside, you can use any viscous salad – it could be seafood salad, fish or vegetable. In the same way you can decorate the salad with crab sticks. seaweed, squid, cheese and avocado and lots of other favorite salads. And the most interesting will be when in the form of a starfish, to prepare different salads on one table, then it will be a mystery what is inside.
You can prepare a few portioned salads starfish, only with different filling and to provide that each had chosen, not knowing what kind of a salad. Thus, not only treat guests with delicacies, but also a bit played with them.
Tuna salad Continue reading
Some of the most popular among fans — the family Pomacentridae. This reef inhabitants of subtropical and tropical seas. Look these fish are thick and sturdy, they have a very bright color. But a real favorite of aquarists is a clown fish due to its small size and high resistance to harmful factors and diseases. It draws the family and its unusual behavior. For example, a clown fish can coexist with poisonous polyps. The reasons for this cohabitation still remains a mystery to scientists.
Clown and anemone form a symbiotic relationship. At first the fish allows itself a little sting, and then produces a protective substance and lives near poisonous
clowns in anemones
polyp without fear of predators. The clown “cares” for his Actinia, removing remnants of food, mellowing, water and even attracting other animals to food to the polyp. So anemone and clown fish provide mutual protection and benefit. The clownfish eats zooplankton and algae.
Another amazing present to view orange amphiprion. It is a bright fish in a large orange and white stripes. In one pack there is always only one breeding pair and several smaller males. They are not able to reproduce and still not clear of their role. Continue reading