Apistos: aquarium fish at all times!
Not all aquarium fish (and especially cichlids) so tolerant of their neighbors as ramirezi apistogramma and other dwarf American cichlids. Livable but not their only advantage, they are also very…

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Cat shark
To the genus Scyliorhinus is part of 13 species, including small and large cat shark and shark-cat. In General to the family Scyliorhinidae is part of 15 genera, including 89…

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scales

Diet fish

The diet of any person, except, perhaps, strict vegetarians, is impossible without animal products. Along with meat, eggs, dairy products, fish is a major source of protein. It is believed that ideally, you want to alternate in the diet of fish and meat.

On its nutritional value fish almost indistinguishable from meat, and on the ease of learning the human body surpasses it. In fish muscle contains from 13 to 23% complete protein. The amount of fat varies widely, from 0.1 to 33%, depending on fish species and time of catch. Fish oil contains large amounts of vitamins A and D, additionally, in the muscular tissue of some fish species have b vitamins In fish contains from 1 to 5% minerals, which include potassium, iron, phosphorus. Marine fish are also rich in iodine, which is of great importance for the human body.

Different species have different palatability, bone structure, and different fat content, that makes their cooking. Continue reading

The Smallmouth macropinna

Living in the depths of the North Pacific ocean macropinna the Smallmouth has a very unusual appearance. Her transparent forehead, through which she could spy out the production of their tubular eyes.

Unique fish opened in 1939. However, at that time did not work well enough to study, in particular the structure of the cylindrical eyes of the fish, which can move from vertical to horizontal and Vice versa. It was done only in 2009.

Then it became clear that the bright green eyes of this little fish (it does not exceed 15 cm in length) are filled with a clear liquid chamber of the head. This camera covers a dense, but at the same time elastic transparent membrane, which is attached to the scales on the body of the Smallmouth macropinna. Bright green eyes of fish due to the presence of a specific yellow pigment. Continue reading

Dangerous sea creatures

Actually sharks, except for a few species, and a total of more than 250, do not attack people. Just behave and other toothy predators of the sea-giants. But we are not talking about them.

Most dangerous marine animals found among small, often inconspicuous or, conversely, very bright and colorful marine life. These completely harmless looking creatures produce the strongest, sometimes deadly poisons. Scientists count about 500 species of poisonous fishes, 93 species of venomous coelenterates animals, 91 species of mollusks, and 26 species of echinoderms. But do not succumb to fear. Poisonous marine animals affect humans, usually in self-defence when he disturbed or careless movement will hurt them.

One of the most toxic and also the ugliest of marine animals – fish-stone. It is also called bugorkami or borodavchenko. This creature with a total length of 15-20 centimeters, with an ugly big head, small eyes and a large mouth with prominent lower jaw forward. Naked, without scales, brownish-brown, Continue reading