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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

What sharks are the most dangerous?

About the brutality of the sharks is legendary. People since ancient times afraid of sharks, because sharks of any size can be dangerous. However, among all the sharks you can highlight a dozen of the most dangerous, which can end badly.

Sharks are dangerous not only because they are strong, have sharp teeth and powerful jaws. The main danger lies in the unpredictability of the behavior of toothy predators: despite the fact that the habits of sharks are being studied for a long time, to predict with accuracy how the shark in any given situation, almost impossible.

Dangerous shark species

Today there are more than 450 species of sharks of different sizes, the smallest can reach a length of 17 cm, the biggest is up to 20 meters. But the real danger to humans represent only some species of sharks. Recent years have witnessed the most attacks on humans great white, bull and tiger sharks.

Great white shark

This shark is called “great”: in length it can reach up to 7 meters and weight up to three tons. The mere sight of this blood-thirsty predator is able to inspire terror. If you watched the movie “Jaws”, then you understand what is involved. The reputation of the great white shark is the most grim: in 2012, the year its victims were 11 people, three cases ended in the death of the victims. Continue reading

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