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Predatory and peaceful fish

Carnivorous (lat. Carnivora — “flesh-eating”) is a detachment of the placental mammals ( Mammalia ), consisting of sub-units dog-like family ( Caniformia ) and maskoobraznym ( Feliformia ). 11 modern families of prey contain about 270 species in 110 genera and are distributed almost worldwide. The vast majority of the squad are classic carnivores, hunting mainly vertebrates. Predatory sometimes is also divided into two groups that are very different from each other in their mode of life: terrestrial Carnivora ( Fissipedia ) and pinnipeds ( Pinnipedia )

Carnivora scientific name in Latin means “flesh-eating” and consists of two roots — caro (born. p. carnis ) ‘meat’ and vorare “devour, swallow”.

Many predatory eat not only meat. Bear ( Ursidae ) are opportunistic omnivores. some species such as the giant Panda and does specialize in plant nutrition. The small pandas, badgers, olingo, kinkajou, raccoons-Poloskov and raccoon dogs vegetarian food also makes up a significant, if not the main part of their menu. Continue reading

Sea, river and lake fish

We all know that water is life. Without water can’t live no living creature. And the first life originated in water. Fish one of the many live organisms living in the aquatic environment. They live in the oceans and seas, rivers and lakes. You can see them in the pond and the stream, in the waters of caves and even in puddles. In nature, there are over 25,000 species of fish, and they are divided into two classes: Bony fish (more than 23 000 species); Cartilaginous fishes (9000 species).

To the class of cartilaginous fish include sharks, rays and chimeras. To the class of bony fish include salmon. okuneobraznyh. preobrazenie. clupeiformes. Cypriniformes, catfishes, wildcookie, flatfish, coloscopie.

Fish are cold blooded vertebrates. their streamlined body covered with scales. They breathe with gills, and with the help of fins and tail to swim. Water entering the body through the mouth, passes through the gills, and spilling over her holes. Oxygen enters the bloodstream of fish through the thin membrane of the gills. Do fish have paired fins (pectoral and abdominal), which are located on the sides and unpaired, located on the median vertical plane of the body (back, tail, and anal). Fins help fish to steer, brake, accelerate and keep the balance. Continue reading

The most amazing inhabitants of the water depths of the world

1. Fish-drop

One of the most remarkable inmates of the depths. Her look is so not attractive, and bizarre. As a rule, fish-drop lives at depths of 600-800 meters. There were also instances that prefer more extreme depths, namely 1,200 meters.

Prefer to live off the coast of Australia and Tasmania.

This fish is endangered. It is very actively caught and sold by fishermen. Of course, not palatability attract customers, and its unusual appearance.

The fish-drops no muscles, it is composed entirely of a gelatinous mass which density is close to water. It is this anatomical feature allows fish to swim at great depths without spending a large amount of energy.

This fish eats everything that floats by. Generally, its diet consists of molluscs and various.

2. Sea urchin

Some of the oldest animals. They inhabit the Earth more than 500 million years. Today there are about a thousand species of sea urchins. They are divided into two large groups, called: right and wrong. Continue reading

The inhabitants of the seabed
Many divers and explorers of sea depths dive under the water to reveal many secrets of the underwater world. And we try to plunge into this mysterious world of the…

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Predatory aquarium fish
Quote: "Who wants to live must fight. And who doesn't want to resist in this world eternal struggle, he has no right to life". Dear reader, this article focuses on…

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