Piranha
Among the fish, horror at the man, the most terrible is the white shark. But no less chilling stories to tell about the little fish-the piranha. In many legends she…

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Dangerous inhabitants of the Black sea - how to avoid poisoning
Sea dragon stung the man in Odessa. It happened while fishing. This is a very poisonous fish, few people know the victim and saw her for the first time. Sergiy…

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Dangerous fauna of the red sea. What dangerous animals are found in the Red sea?

The red sea is considered one of the most beautiful water places on our planet, but also dangers for health and life in it, too, abound. I will describe the five most dangerous variants encountered personally.

The first SEA URCHINS.

Any tourist first came to the Red Sea can be faced with this problem, and on the first day and at the coast. The sea urchin is very dangerous, it is found in shallow water and the opportunity to step on it very high, very dangerous vadimony view of the needle it reaches ten inches and when it enters the body easily break down, causing severe inflammation, therefore it is advisable to use special rubber shoes.

Second – a very nice fish of LIONFISH.

This fish is very common in the Red Sea and lovers of snorkeling (swimming with a mask and snorkel) often play with them. Do not in any case impossible, it is very poisonous, physical contact with her may lead to fatal outcome even sea predators prefer to avoid this “beautiful monster”. Continue reading

North sea bass

Everyone who ever was fond of scientific and popular works about animals, probably more than once met the stories about the huge pike that supposedly lived several hundred years. The most popular is the history of the so-called “kalbrosky the pike”, which was supposed to have been caught personally by the Emperor Frederick II, marked with a gold ring and released at 1230 in one of the lakes where caught running through 267 years. Despite the seeming plausibility of these stories, today reliably established that all of them should be classified as legends or fishing tales. The maximum age of pike, like most other fish, usually no more than 20-30 years. There are, however, fish are long-lived, and these include fairly common off the coast of Kamchatka Northern sea perch. Continue reading

Do fish drink water?

Though marine fishes drink a lot of water, their freshwater relatives don’t drink nearly anything. The root of this difference lies in the needs of fish to maintain a normal balance of salt and water in the body.

The water in the ocean three times saltier than its own liquid environment living in the ocean fish. As a result of a natural process known as osmosis, water body sea fish rushes out through the skin and gills. To compensate the lost liquid, saltwater fish forced to consume large quantities of sea water.

The concentration of salt in the body of freshwater fish exceeds its content in the surrounding water, which is why freshwater fish do not drink, like a sea, and constantly absorb water through the skin. The excess liquid they secrete in copious urination. Continue reading