A distant ancestor of the goldfish – common goldfish that live in marshy lakes and ponds in East Asia.
Body length up to 20 cm rounded Body, with a long veil fins. The color is orange, red, black or spotted. Through many years of breeding hobbyists of the Ancient East were able to deduce many beautiful varieties of goldfish. Among them: telescopes, veiltail, celestial eye, or the astrologer, comets, livingonlove, shubunkin and others. They differ from each other by body shape, fins, color and have long since lost the appearance of a carp.
For keeping and breeding goldfish for a spacious aquarium with well-aerated water. The temperature should not exceed 20 0 C. When the temperature dramatically reduced the content of oxygen in the Continue reading
Edward R. o Ricciuti, ichthyologist-lover, scuba diver, author of several popular science publications, a former employee of the new York Zoological society, introduces readers to marine and river animals and fish that may pose a danger to humans, talks about the features of the hydrosphere and on the adaptation of animal to its environment. Biological information about various types of “sea killers” and the descriptions of their habits accompany the stories about the cases of attacks on humans, as well as tips to avoid collisions with them.
Written simply and emotionally, the book is intended for a wide circle of readers.
Candiru — a small blood-sucking catfish that are embedded in the human body and cause a painful death.
Giant catfish-eater — dweller of the waters of the Danube; at length reaches 4,5 meters and weighs up to 300 pounds. Continue reading
Croatia is a beautiful country. Besides, today it is considered one of the safest countries in Europe. Both flora, fauna, climate, and population, are unlikely to cause trouble for the tourists, but still some features of this country, you should learn more before you travel. “Forewarned is forearmed”…
Rest for many of us is the most anticipated and important event of the year. We go to hot countries or cultural trip, to forget about everyday troubles, to change the boring work environment, gain new experiences and strength. It is therefore essential that the holiday was a success and was not marred with troubles and health problems.
Dangerous creatures in the Mediterranean sea that can damage the person, unit, anyway, much less than in tropical seas. Threat to meet up with a shark so rare that for many years none of the areas of the Mediterranean, even in the most solitary places, none of descending under the water did not see any. However, sometimes even quite innocent looking animals may pose a danger to humans.
To exaggerate this danger, we will not, but will try to familiarize you with the problems that can occur when too close contact with sea inhabitants. Continue reading