Catfish-the Changeling (Synodontis nigriventris). Description in the aquarium, spawn
Catfish-the Changeling (Synodontis nigriventris) Continent: Africa Prevails in the regions: the basin of the Congo Body length: 10 cm Food: carnivorous fish Habitat: fresh water Catfish-shifter, or synodontis nigriventris, belongs…

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The most beautiful fish of the ocean.
Mandarin ducks – very tiny colorful fish that live near coral reefs located in the Western regions of the Pacific ocean. The name "Mandarin" she received, thanks to the colorful…

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fauna

Dangerous animals of the Black sea

These prickly predators lurk among the rocks, under the seaweed, and, like all bottom fish, change color to the color of their environment, can quickly lighten or darken depending on light conditions. Hide the Scorpion and numerous outgrowths, spikes and leathery tentacles that transforms her into one of the stones is covered with marine vegetation. Therefore, it is difficult to notice, and she relies on his “invisible” presence that floats (or rather, flies away like a bullet from a gun!) only if you approach it closely. Sometimes you can even touch – but this is exactly what not to do – that’s enough! Interesting, lying on the surface of the water and breathing through a tube, watch the Scorpion fish hunting…

The wounds from the spikes Scorpion fish cause burning pain, the injections is red and swollen, then malaise, fever, and your stay is for a day or two interrupted. If you have suffered from thorns ruff – contact your doctor. Wounds should be treated, as ordinary scratches. Continue reading

The fauna of the Black sea

The flora and fauna of the Black sea is quite diverse, although in recent years, in connection with the anthropogenic activity and has undergone significant changes in its composition and strength. For the most part, the denizens are a species brought from the Mediterranean, here there are even a few relict species. Living organisms can be found at depths up to 150 metres, before the beginning of the hydrogen sulphide layer, which also determines the relative poverty of the animal world, compared to the Mediterranean sea.

Algae of the Black sea includes 270 species of multicellular benthic algae and 600 species of phytoplankton. The most common types are villaflora, kladofora, cistozira, Ulva, Zostera. In the summer the most active development escobilla and ceratium. Common diatoms.

The fauna is even more diverse, it includes more than 2500 species of animals, most of which were unicellular and crustaceans – about 500 species. In second place – shellfish, about 200 species, and only fish 160 species. The rest of the mass consists of numerous species of invertebrate animals. Continue reading

Life in the deep sea

The sea always attracted people to him, maybe even more than the sky. The world ocean is the habitat of a huge number of plants, fishes, sea animals, including mammals. There are several zones of ocean life. Most inhabited the upper water column, down to 300 meters, as this is the most illuminated part.Area at a depth of from 300 to 1000 metres is the name of the region of penumbra. At a depth of over 1000 meters there is an absolute darkness and intense cold, there are no plants.

The pressure at great depths is very high, at a depth of 3800 m, the pressure is 400 kg cm3 and at a depth of 10900 m – already 7250 kg cm3. The denizens of the deep in different ways have adapted to these difficult conditions. The only food source of deep-sea animals – the corpses of the inhabitants of the upper part of the ocean and bacteria.Their eyes are either absent or reach a high degree of development they are sometimes of enormous size, are often placed on the lateral appendages of the stems or telescoping, is provided with a lens system. So, the eyes of the coelacanth fish have a cylindrical shape, this allows it to see distant objects. Continue reading

Fish in the pond at the cottage
I live in the pond and successfully overwinter wild crucians and bleak. For the summer produced by goldfish (comet rock) and small koi, but the experience of overwintering in such…

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The scariest sea creatures
In the seas and oceans live the most unusual and alien beings on Earth. And some of them look very scary... Fish-frog. Found in the Atlantic, Indian and Pacific oceans…

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