Oceanic nekton
The ocean abounds with excellent swimmers who, in the words of the famous German nineteenth-century biologist Ernest Haeckel, "free to find their own way". They can resist the strong current…

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The construction of the reservoir in the country
Water is the source of life on Earth. This expression applies to the whole planet, and to small areas. Life in the city impossible to imagine without a visit to…

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rare

Man-eating sharks are operating in tandem

A team of international experts, who arrived at the Egyptian resort of Sharm El-Sheikh after a few cases of shark attacks on humans, concluded that the coast, swim at least two predators that used to eat human flesh.

This opinion was voiced by experts after carefully studying the nature of the wounds on the bodies of the victims from shark tourists. According to them, the predator even belong to different species. If Russians and Ukrainians attacked korotkaia Mako, the deaths of German women over the weekend blame white tip reef shark. According to scientists, this is the worst scenario that they assumed, as one individual it would be much easier to catch.

While biologists believe that the Cougars, who were recently caught off the coast of the red sea, the people did not attack. It turns out that the shark-killers are still on the outside.

Meanwhile, scientists are trying to understand why fish that very rarely attack people, to change their behaviour. According to the expert from the United States, Director of the Florida program for shark research George Burgess, now the coast is examined in order to find any violations of ekosistemy the red sea. Continue reading

10 facts about the Black sea

In honor of the coming of the pores of the holidays we offer to your attention a selection of interesting facts about the Black sea.

The first mention of the Black sea are found in documents relating to the V century BC. It is on the Black sea, Jason and the Argonauts went to Colchis for the Golden fleece.

1. The ancient Greek name of the sea — Pont Aksinsky (gr. Ἄξενος Πόντος), meaning “Inhospitable sea”. It is assumed that the sea was named so because of difficulties with navigation. Later, after a successful exploration of the coast by Greek colonists, the sea became known as the Pontus Euxinus (gr. Εὔξενος Πόντος, “Hospitable sea”). Romanian Black sea Marea Neagră is called.

2. A characteristic feature of the Black sea is complete (except some bacteria) absence of life at depths greater than 150-200 m. the fact that the deep layers of the Black sea is saturated with hydrogen sulphide.

Nikolay Knipovich

3. In the scheme of currents of the Black sea there are two huge closed cycle with a wavelength of 350-400 km In honor of oceanographer Nikolai Knipovich, who first described this scheme, it was called the “Glasses of the Knipovich” Continue reading

Aquarium gold fish: the symptoms

Aquarium gold fish is a small miracle, caressing eyes. Aquarium goldfish soothe the nerves, to watch them is a pleasure. But watch for goldfish should be regularly and for the purpose of any change in their appearance which may indicate illness. Healthy goldfish, especially the young, show great interest in what is happening around, learn his breadwinner, eat well. If a goldfish is swimming at the bottom and not eating, then something with health at it not okay.

The physical signs of the disease gold fish aquarium: Fuzzy coating Small white spots on the body Bloated body Red gills

Rapid breathing Rotting fins or tail Increase eye Wounds, hemorrhages on the body

The sooner you are seen the signs of illness aquarium fish, the more chances to cure it.

Some goldfish diseases are very contagious, and can affect the other aquarium inhabitants. By capturing the disease early, a goldfish can be saved by applying antibacterial or antifungal drugs, but before moving it to another aquarium. Continue reading

Goldfish Comet
Comet fish are great for aquariums, shallow ponds and suburban ponds more. Comet fish of the carp family, refers to a type of goldfish. Tramacua, Coldwater. omnivorous, peaceful schooling fish.…

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How to make the right choice of fish?
So, before buying fish in pet stores or Bird markets – read carefully recommendations for choosing healthy and lovely Pets. A healthy pet should have clear and clean eyes eyes…

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