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
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 includes more than 200 species of fish, but in the aquarium you can hold not all members of this family. This is due to the physiological characteristics of individual species.
Some catfish in adulthood reach an impressive size, so they begin to pose a danger to small inhabitants of the aquarium. In addition, there are breeds which differ quite aggressive in nature, so they too are not suitable for keeping with other fish.
Popular species of catfish
Of course, you can only breed catfish, but the majority of aquarists prefer to choose peaceful members of this large family that they get along with other Pets.
The most popular species suitable for aquarium rearing are: Continue reading
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