The inhabitants of the Caspian sea. Animals of the Caspian sea is represented by 1809 species, of which 415 are vertebrates. In the Caspian sea registered 101 species of fish, it is focused the majority of the world’s reserves of sturgeon, as well as freshwater fish such as roach, carp, perch. The Caspian sea is the habitat of fish such as carp, mullet, sprats, Kutum, bream, salmon, perch, pike. In the Caspian sea is also home to a marine mammal — the Caspian seal.
The world grade 4
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“Domestication of animals” – Near the man began to live animals. Information about the place and time of domestication of animals. The reindeer herding. The dog was domesticated very early. Reducing the size of the brain. To find out what animals the ancient people tamed. Sheep. People began to domesticate bees. Goat. Ancient tour. Buffalo. Pigs. The man of the stone period. Geese. Chickens as poultry. Cow. Foci of domestication of the horse. The size and shape of the body. Continue reading
In our world there are about 25 thousand species of fish, but only some of them really fascinate us with their beauty. Today we want to present you our selection of the 10 most beautiful fish in the world.
1 Imperial angels
Imperial angels belong to the species of marine tropical fish and are considered some of the most beautiful individuals. Their coloring has a kind of uniqueness: it is able to change during the life of the black with blue and white stripes in young fish to a bright purple body with yellow-orange stripes in adults. With age the head becomes emerald green color, and around the eyes forms a characteristic mask.
2 Mandarin ducks
Mandarin is an extremely colorful fish of small size. The name they were given because of the color, which is very similar to the robe-the robe of a Chinese Mandarin. This species inhabits coral reefs at the bottom, mainly in the Pacific ocean. They like being protected from marine inhabitants of the lagoon, at the slightest danger, the body secretes poison. Continue reading
Aquarium cichlids or Cichlidae is a family of fish squad okuneobraznyh, in which more than 1,300 species, of which 600 live in aquariums and have at least 100 different color forms.
African cichlids of lake Malawi
In addition to the small species of cichlids aquarium, which will be discussed below, the larger species, like the Mozambique tilapia in Africa and the Indian etroplus, grow big, up to half a metre. Cichlids species which reach such dimensions, valuable as a food fish in their places of habitat. The body length of different species ranges from 5-70 cm In nature, they inhabit mostly freshwater, although some species live in salt water seas, easily changing environment. Some of them feed on algae, other worms, mollusks and insect larvae. Many species, growing up, become predators. Cichlids aquarium is very interesting for its color, originality of forms and complex behavior. They’re great parents and grown offspring selfless and original. So some features of the contents of these fish will be interesting for both beginners and experienced enthusiasts. Continue reading