Eat fish! Diet
Experts came up with the name "anadromous" fish for sturgeon, sterlet, stellate sturgeon, Beluga and salmon, on the basis that the they they live in the ocean but spawn in…

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Marine aquarium
The aquarium has long been considered not only a stylish decoration but also a useful tool can have a laxative effect. Salon aquariums "Aqua boutique" Petersburg offers a full range…

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Why are sharks afraid of dolphins?

Shark is considered the most terrible in their bloodlust marine predator. But it is justice. Such an enemy sharks are dolphins. Why was the shark afraid Dolphin, although their size sometimes exceeds them?

There is a theory that because the shark flees at the sight of a Dolphin that is trying to save his life. Dolphins live in packs, and many testimony and research have their own mind, yet incomprehensible to the people. If they don’t bother people, but on the contrary always help them, it does not mean that soft dolphins are harmless creatures. They are perfectly able, to defend and attack. Dolphins at high speed, beat the shark with its nose in its belly or in the gills . this is the most vulnerable place of the predator. But great speed and a powerful blow to the nose of the Dolphin can be deadly for sharks. At the sight of aggressive sharks attack dolphins and beat it until it is destroyed. If the shark in time will be able to escape, you will not lose a life. This war sharks with dolphins is observed quite often, and the shark is not attempt attacks on people, no matter how hungry, if there are dolphins. Tell you that there have been instances when dolphins to death zabolevanii-nosed porpoises. And it’s not in hunger, dolphins are not by nature bloodthirsty.

Deserves special attention an attitude of dolphins to people. They are often their saviors and shark, and when a man is drowning in the sea. A very real case, proved by documents, when dolphins are in the area of New Zealand was surrounded by four swimmers, not allowing them to break through their formation, while the frightened people and made the effort. Only after some time, one of the swimmers was able to get out of the circle and saw a huge three-meter shark, which was circling nearby. Almost an hour the dolphins didn’t let the shark get closer to people, until they approached the safe shallow water. Such stories quite a lot, dolphins are very often help people to get out of the troubles that happened with them on the sea or in the ocean.

Food for aquarium fish
It is no secret that on the correct feeding of aquarium fish depends on their health, well-being and breeding success. Therefore, you should thoroughly approach the question of choosing food…

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Dwarf catfish cat catfish and marine pennant
Dwarf catfish-the cat belongs to the group of North American catfishes, known as steers, which differ from congeners rounded tail fin. The fish is slender, brownish-mottled with lighter belly. Anal…

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