consists

Dangerous inhabitants…

The rest of the sea – the dream of almost every holiday maker! The Eastern part of Russia are used and forced to rest on the coast of the sea of Japan. It would seem that it can be dangerous in this region. However, on closer inspection, it was discovered the inhabitants, who simply need to know and to be particularly careful!

Let’s start with Yellow perch (trehpolosaya) — native of Japanese waters, it has quite a menacing look – the dorsal fin consists of 15 acute rays, the Gill slits are spikes, characteristic of the spotted-striped color…

Reach impressive sizes (up to half), but grow very slowly, reach sexual maturity at ten years of age! So what threat this slow instance of marine fauna? At the base of the spines on the fins and the Gill slits are poisonous mucous glands which secret, getting into the wound, causes a local and then a systemic poisoning of the body. Meeting with Yellow perch can seriously spoil your holiday by the sea. Symptoms: pain and inflammatory reaction, then, perhaps swollen lymph nodes. At the injury there is swelling, which could spread to the entire limb. Famous deaths.

In the injection – treatment of the wound with disinfectants and symptomatic treatment.

Further,it is worth mentioning jellyfish, let’s start with Lanei hairy . the largest jellyfish in the world, in the Guinness book of records registered the maximum size is 2.28 meters in diameter. So, typical signs: red umbrella (maybe raspberry or orange hue), the thickness of the umbrella is reduced to the edge, and the edge of the blade is transparent. The tentacle is quite long, divided into eight beams, form a kind of veil that protects the bodies underneath the umbrella. The hairy cyanea occurs in southern Primorye, mainly small individuals, in spring and early summer they gather in large clusters (up to one hundred meters of the field), there are instances of up to 60 centimeters… the Venom is contained in stinging cells on the tentacles, a single burn is not dangerous to humans, however with increasing dose of the poison received – there is a risk of allergic reactions. Continue reading

The squad catfishes

Atkritumu fish. One dorsal fin. Pelvic fins located on the belly. In the pectoral fins and in most species the dorsal fin is spiny, often jagged rays. Non-rising mouth surrounded by tendrils. The jaws teeth. Body naked or covered with bony plates. Many have an adipose fin.

The inhabitants of the mainly tropical and subtropical freshwaters of South and Central America, Africa and Asia.

The squad consists of 20-30 families and over 1,200 species. 2 family of marine fish.

The Catfish Family – Siluridae

Body naked, elongated. Adipose fin not. The head is flattened, the mouth large, polverini. Dorsal fin short (not more than 5 rays). Anal fin long, not less than 70 rays. These freshwater and brackish-water predatory fish with spring and summer spawning. They live in fresh water in Europe and Asia, in addition to the basin of the Arctic ocean.

The family includes 8 genera, 2 of which are found in our country.

Rod Catfish – Silurus. Antennae 3 pairs. Thorn in the pectoral fin is smooth.

The genus includes 2 species.

Com S. glanis Linne, 1758. Front mandibular barbels shorter than the back. Spiny rays of the pectoral fin is strong (Fig. 110, 1). Reaches a length of 5 m. of residential Forms and the checkpoint form. These fish developed to take care of offspring. Soma build primitive nests from vegetation remnants.Inhabit the waterways of Europe: the Rhine, North to South Finland, and South to Asia Minor. Continue reading

The pond with their own hands for cultivation of fish with an artificial bottom

The pond on the site can be a favorite vacation spot. Pond fish is a complex hydraulic structure. What is difficult in General, consists of a number of simple rules. If you apply patience and diligence to make a pond with their own hands for cultivation of fish can any householder on their needs and your taste.

Why you need a pond

The pond is always a decoration of the site, on its edges, you can plant the plants. His presence on site creates a special microclimate.

The opportunity to grow organic fish. In our time – is not unimportant!

Get pleasure from fishing. If there are no natural water bodies, to create conditions useful for the health of the hobby. This can be a family holiday or with friends.

The choice of location

The reservoir should be placed taking into account that till 11 am, he should be well publicized. In the daytime, to 15 hours for pond fits the shade or shade. In warm water are good conditions for development of algae, reducing oxygen for fish.

Deciduous trees should be at some distance from the pond so that the leaves did not litter the pond. The leaves of some trees have harmful effects on fish, it is also possible to transfer aphids on aquatic plants. Continue reading

Amazing creatures of the seas and oceans
The sea depths are full of mysteries and inhabited by amazing creatures, which are discussed today. The largest animal on the planet living in the ocean is the whale. Despite…

Continue reading →

The problem of reducing the area of Maritime forests of the Mediterranean
Last week we told you that the European Commission on the environment from June 1 began to conduct stress tests of nuclear power plants located on the territory of the…

Continue reading →

Dangerous and harmless shark
When you hear the word "shark" we present a huge toothy fish, predator and ruthless killer. But, it turns out that among 350 species of sharks are not dangerous more…

Continue reading →