The construction of ponds for fish farming
The pond is an artificial pond created for fish breeding. For the construction of ponds it is best to use natural depressions, such as depressions and gullies. It is preferable…

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Sea, river and lake fish
We all know that water is life. Without water can't live no living creature. And the first life originated in water. Fish one of the many live organisms living in…

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Goldfish

The Chinese carp is found in its original form in Korea, China and Japan. This crucian carp in nature has a Golden hue, especially in shallow, well warmed by the sun waters. Goldfish as a domesticated form of carp, judging by some reports, developed in Korea where, apparently for the first time, these taking advantage of the variability of carp in coloration and body shape, engaged in the culture of ornamental carp. Genuine development (in some exotic species) goldfish reached in the Eastern countries.

Bred goldfish in ponds and garden ponds in the estates of the nobility and wealthy people. Further spread of the goldfish was facilitated by itinerant hawkers. In buckets on the rocker arms they carried the fish through towns and villages. Thus goldfish broke into the homes of ordinary people. Fish were kept in wooden, glass and porcelain vessels, which are the predecessors of modern domestic aquaria. This popularity and widespread fishes contributed to the successful breeding of various breeds, striking beauty, forms and colouring, be sure to see the photos of goldfish. Continue reading

The most amazing inhabitants of the water depths of the world

1. Fish-drop

One of the most remarkable inmates of the depths. Her look is so not attractive, and bizarre. As a rule, fish-drop lives at depths of 600-800 meters. There were also instances that prefer more extreme depths, namely 1,200 meters.

Prefer to live off the coast of Australia and Tasmania.

This fish is endangered. It is very actively caught and sold by fishermen. Of course, not palatability attract customers, and its unusual appearance.

The fish-drops no muscles, it is composed entirely of a gelatinous mass which density is close to water. It is this anatomical feature allows fish to swim at great depths without spending a large amount of energy.

This fish eats everything that floats by. Generally, its diet consists of molluscs and various.

2. Sea urchin

Some of the oldest animals. They inhabit the Earth more than 500 million years. Today there are about a thousand species of sea urchins. They are divided into two large groups, called: right and wrong. Continue reading

Most dangerous animals in the world

On our planet a few million living beings. Some of them are quite harmless to humans and even are his favorites. But there is a category of living creatures that are dangerous to humans. In tenth place small frogs that live mainly in Africa. They secrete on their skin secretes toxic venom, which when injected into the blood causing the arrhythmia, and with a weak heart may even stop it. A year is fixed to 10 deaths.

9. Sharks (great white, tiger, bull, etc.) — this well-known terrible sea beast is not even among the top five most dangerous. All because a year is fixed, only about 100 attacks on humans, and only 10-15% of them end in death.

8. Poisonous jellyfish. The body size of these species not exceeding 15 cm but poisonous tentacles can reach 4 meters. According to scientists, the adult jellyfish can kill up to 20-30 people.

King of beasts lion occupies only 7th place. The victims of these animals be no more than 100 people a year. Continue reading

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Catfish: aquarium species
Almost all members of the family of catfish unpretentious, so they are recommended even for beginner aquarists. But still some features to care for them. In a group of catfish…

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The underwater world of the red sea
Egypt even novice travelers associated with the beauty of the underwater world of the red sea. The red sea is perhaps one of the most beautiful and richest seas concerning…

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