Feeding the fish, one of the most important factors that ensure normal development and the life of the fish. From nutrition to the greatest extent depends on their appearance.
When feeding fish one should follow two basic rules: the more varied the feed, the better; it is better underfeeding than overfeeding.
Food should be given in small portions; as soon as the fish stop eating, feeding should be discontinued, and uneaten food to remove. Feed the fish once a day, preferably in the same clock. No irreversible development will not take place if for any reason the feed will not be given fish for a few days (5-8). but this should not be the rule.
Currently on sale offers many high quality brands of dry, canned and frozen feed for fish, which greatly simplifies the problem. However, for a number of fish prefer live food, as well as in the preparation of fish to reproduce is preferable to give live foods, dry — only temporarily. Continue reading
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
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