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Fish

There are freshwater and marine fish. How do they live in the water? They breathe the oxygen dissolved in it.

Every time you open your mouth, the fish absorbs the water. The oxygen dissolved in the water absorbed inside the body of the fish straight into the bloodstream. The wastewater is then discharged through the gills, usually located on the sides of the fish’s body, behind the head.

Mudflats jumpers

Mudskipper is a fish with very interesting habits. There are jumpers in the Eastern Atlantic, Indian and West Pacific ocean. It lives most often in the quiet bays near river mouths. This remarkable fish that at low tide remains on land and, using fins and a special breast suction Cup, can climb trees to a height of more human growth: here it preys on insects.

In fresh water rivers and lakes inhabited by many species of fish. Freshwater fish feed on different food. Some eat algae, other aquatic insects and mollusks. Some fish eat other fish; they are real predators.

In certain types of freshwater fish are found only in one river or lake, others dwell in many places. Sometimes fish eggs is transferred to a new place, glued to the feet of waterfowl, and sometimes fish can move people. Some fish themselves swim in other rivers. When the salmon is four years old, he leaves the river and goes to sea.Having lived in the sea and two more years, he returns to lay her eggs. Many salmon return to their native river, but some moved to other rivers. Continue reading

Dangerous dwellers of the Mediterranean sea

Upon closer inspection, the monster turned out to be some third-rate, fit only to frighten their young children. In a word, to the Maldives with their tropical abundance of all poisonous reptiles our sea obviously does not hold. However, read it and was horrified. It turns out that affectionate and warm Mediterranean sea just teeming with all sorts of creatures, ready to grab the tender, defenseless body of the swimmer, to wrest from it a piece of meat to poison or, at worst, a painful sting.

However, in 15 years of searching for adventure and snorkeling the biggest trouble that happened to us, is hopelessly corrupt bottoms, on which “spit” ink a startled octopus out of water.

The main principle for anyone wanting to dive into the sea plain and simple, as a rake: “I don’t know – don’t touch” . The more dangerous animals and the more troubles it can cause the bather, the careless behaves closer and admit to myself, naively believing that everyone is familiar with her bad temper and will not touch.
If you sobiratelnitsa on wild stony beaches, to the main principle “don’t touch anything” it would be good to add another special Slippers . no sea urchin is not terrible. Continue reading

Melkogalechnyj catfish

The area

Distribution: various water bodies, often with standing water and brackish water, often in streams of India, Sri Lanka, Myanmar, Burma as well as around Indochina.

Appearance

Body length up to 35 cm in the aquarium, up to 70 cm in natural waters.

It got its name for the original breathing apparatus, reminiscent of a light, by which the fish can tolerate adverse gaseous regime of the reservoir. This unit is two bags, stretching on both sides of the back along the entire body, the walls soaked with lots of blood vessels.

Body structure and coloring . elongated, laterally compressed body; when swimming the fish is a snake-like meanders. Coloration modest gray-brown. Anal fin long, the others small and rounded. Head with small eyes, mouth 4 pairs of whiskers. The whole body and fins dark brown. Dorsal and pectoral spines armed with strong, injection which is very painful.

In some American books say that the shot messageremove soma lethal at all, but actually a lethal outcome is possible only in people who are prone to allergies. Action messageremove catfish venom and bee venom are similar, feeling about the same, and when necessary, the treatment prescribed is similar. Continue reading

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