concentration

Sea and their inhabitants

Mediterranean sea. Diving . at the bottom of the sea lay the wrecks and grow entire coral Islands pale green, bright red and purple flowers. Amidst this splendor, you can find a huge amount of marine life, from small colourful barbs to the weird octopus and large turtles.

Dangerous inhabitants . these waters were chosen sharks, including the most unfriendly white. To the beaches they don’t come close, but, nevertheless, it is necessary to observe safety measures: do not swim far from shore in the open sea to stay away from schools of fish. Sometimes swim to the shore barracudas — foot-tall toothy fish greenish color. But, as a rule, people they only attack in murky or dark water, where moving the swimmer to perceive for floating fish.

Fishing . possible trophies — mullet, sea minnow, rock bass, tuna, sargus, Barracuda. Temperature: in summer +20-22°C in winter to +16-18°C.

Purity . the water is so clear you can see rocks and big fishes at the depth of 30-40 meters. The clean sea off the coast of Greece and Crete.

The composition of the water . the salt concentration is 36-39%. The unique composition of minerals, salts and iodine is ideal for thalassotherapy treatments. But immediately after bathing, it is recommended to take a shower. Continue reading

The most terrible inhabitants of Russian water bodies

It is considered that only the southern tropical sea full of dangerous for human beings and there only should be used with caution. However, in the Russian moderate climate meet the inhabitants of the waters, meeting with which should be avoided. One danger ascribes only a popular rumor, but with other really better not to meet.

PLANTARIUS

The great raft spider, or the spider-hunter (Dolomedes plantarius), living along the banks of rivers, lakes and swamps is actually on the verge of extinction, so meeting with him is unlikely. In Russia, the spread of Western-Palearctic species of this family of spiders, mainly living in the Samara region and the Republic of Karelia. The size of females plantarius can reach 25 mm. the Spiders are hunters able to dive and move quickly through the water. They feed mainly on insects, but can attack young fish and tadpoles. For humans the bite of plantaris painful, the pain may persist for several weeks, but a lethal danger to humans, the spider is not.

HAIR

Folk people call the hair-worm, that live in open water, Russia, horsehair, living in water and capable of penetrating the human body, usually through the heel, while bathing. Once under the skin, horsehair allegedly moving towards the heart, causing unbearable pain and itching of the skin. Remove it from telecities impossible. Actually for a person hair quite harmless: Continue reading

Stocking of reservoirs.

Porzului, anybody that has a pond in the country, wants to revive it: to plant water plants, make a stream or waterfall. And many of the owners of these ponds are installing a fountain, and finally, trigger fish. Stocking of reservoirs is a common phenomenon in our days. And the school of fish not often associated with utilitarian needs, not to feed the family, but for beauty. For aesthetic pleasure. Fish and plants in the pond closely interact.

In the daytime the plants, using the reaction of photosynthesis, water consume carbon dioxide and give back oxygen. Fish breathe this oxygen. In the dark aquatic plants, like fish, consume the oxygen and works the same as the fish exhale carbon dioxide. When plants in the pond the excess, then in the morning, when the concentration of oxygen in water is negligible fish starts to die from lack of oxygen.

M OST fish species, e.g. carp or other herbivorous carp. They eat aquatic vegetation. With one hand they are cleaning the pond of excess vegetation, but on the other hand they can destroy the aquatic plants that you are trying to cultivate. Spending and the stocking of the pond, it is necessary to consider, if you want to have both fish and aquatic plants at the same time. Ie need to consciously choose the right types of plants and fish species for your pond. Continue reading

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