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Dangerous underwater inhabitants

Brochures abound with picturesque scenery, attractive images of young girls in swimwear on the palm-fringed, deserted beaches. The reality however is often different. Vacation can be marred by sunburn and insect bites, although divers are primarily concerned about aquatics and ponds polluting substances. Often have to deal with coral cuts, burns stinging corals and ear infection divers.

Left. Starfish “crown of thorns”. In the center. A mess of seaweed verrucosa. Right. Yellowtail surgeon fish

If you don’t want to wear a wet suit, use a thin lycra or even a pair of old pants and a t-shirt. They sachetat your skin from cuts, abrasions, coral and stinging jellyfish when diving and from sunburn when Snorkelling. However, burning from microscopic plankton, which occurs in open water and can get even under “dry” suit, will protect only EN-histamina ointment which is applied on dry skin.

The sun

The tropical sun reflected from the sand beaches and water, so cover your body, use a sun protection cream with the maximum protection level and at every opportunity take refuge in the shadows. Maraliseca with a mask and snorkel should especially take care of the back and neck, and the skin on the back of the legs and under the knees. Nal water is important to protect the eyes — use sanctimoniously with quality lenses. Continue reading

Red sea

Red sea (Arab. البحر الأحمر Bahr el-Ahmar, Hebr. ים סוף Yam Suf, FR. mer Rouge) — inland sea of the Indian ocean situated between the Arabian Peninsula and Africa in a tectonic depression. In the North sea adjacent to the Suez isthmus that divides two bays: the Suez and Aqaba, via the Suez canal connects with the Mediterranean sea and the Arabian sea to the South connects the Bab-El-Mandeb Strait (“Gate of tears”) from the Gulf of Aden. Red sea — the saltiest of sea included in the World ocean.

The red sea washes the shores of Asia and Africa: Egypt, Sudan, Djibouti, Eritrea, Saudi Arabia, Yemen, Israel and Jordan.

The area of the red sea is 450 thousand km2. almost 2/3 of the sea lie in the tropical zone.

Water volume — 251 thousand km3.

According to various estimates, the length of C. J. miles from 1932[5] to 2350 km, width from 305 to 360. The coast is indented slightly, their outlines mostly predefined fault tectonics and almost the entire Eastern and Western shores parallel to each other.

In the bottom topography are highlighted in the coastal shallow (to depths of 200 m), the widest in the southern part of the sea, with numerous coral Islands and indigenous, so-called main trough, a narrow basin, which occupies most of the bottom of the sea to an average depth of 1000 m, and sevastra — a narrow and deep trench, as if embedded in the main trough, with a maximum depth, according to different sources, from 2604 to 3040 meters[6]. And an average depth of 437 m. Continue reading

You go to the Black sea.

The black sea is very friendly and perfectly safe for humans. There are no scary sharks, poisonous sea snakes, Barracuda and other horrible monsters. Besides, in the sea, as on earth, just for something to do on man, no one ever attacks. And if there is in the Black sea inhabitants that can cause you a little trouble, do not grab their hands and pull the tail…

This is the largest Black sea jellyfish, the diameter of the dome can exceed 40cm. It is easily recognized by this fleshy, bell-like dome and a heavy beard of the mouth of the blades underneath. Lace on the blades of Camerota are poisonous stinging cells that can burn the skin, like hot water or nettles.

Probably why the jellyfish has three more Russian names: sea nettles, gigalo, Zhuchka. When you see it follow the simple advice: don’t touch comerota, go around, “oblivate”. And do not touch even dead, or at least wash your hands afterwards. Otherwise, RUB their eyes and accidentally get burned.

Kornerot helps to survive in the sea for juvenile fish that are hiding under his hood from the predators have feasted on those tasty little thing, but I’m afraid of stinging cells jellyfish. Himself kornerot eats isklyuchitelnosttakogo, but kornerot in the sea doesn’t eat anybody. Scientists say jellyfish to the category “food stubs”. (Although in Japan, Korea and China comerota eat: this is “crystal” meat can be boiled, fried and even salt).

And here another interesting detail concerning jellyfish. It turns out that they have eyes. And the same kornerot, presumably, sees us well, although it is difficult to say in what form. However, again: jellyfish, even the most venomous, the very attack the person will never… Continue reading

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