The most terrible weapons of the shark is its teeth. Although there are species of sharks, such as basking sharks, which do not have teeth. While tiger and white sharks-hunters. They are characterized by large triangular teeth. Their edges are jagged, which increases the force of the bite. To the victim are unable to escape from jaws, shark teeth directed inward. They grow in straight rows and are constantly updated. The number of teeth of the same number sometimes reaches thousands. Shark teeth are arranged on the upper and lower jaws. They have a conical shape. Origin shark teeth are evoljutsionirovanii placoid scales. Depending on shark species, their jaws are different. For example, bottom-dwelling shark of smooth hundreds of little teeth. In their diet is usually present protected by a hard shell food.
Sharp teeth is inherent in the pelagic shark species. They easily penetrate the flesh of the victim. So noyabrskii the tiger shark teeth are designed for tearing meat of large prey. And those sharks that feed on plankton, have a rudimentary small teeth.
The growth of the teeth of sharks does not stop throughout life. Despite the fact that the teeth are in both jaws in several rows, the shark actively uses only the first series. While back teeth bent inward. Continue reading
Of course running into the pond carp and carp need to feed periodically. Though water in the small pond provides some natural food base in the form of Daphnia, bloodworms and other small animals, but fish feed in small pond is unlikely to be sufficient to provide the desired weight gain in Your Pets. Therefore it is necessary to be hospitable and generous host, providing the right diet additional power from the “hand” for the inhabitants of Your pond, to ensure the desired result of fish farming. Facilitates the solution of this problem that carp and crucian carp are not fussy to feed and omnivores. To lure them suitable vegetable food and feed for pigs or chickens. Excellent plant food for carps are: flour, bran, Lupin, maize, vetch, rye and potatoes.
If you’ve seeded your pond godovikam − they just need to pour the flour on the surface of the water, because it has long floats on the water surface until wet. Continue reading
Ternary (Gymnocorymbus ternetzi) No. your outfit cannot compete with bright colorful fish. Its color consists of two colors: silver and dark gray. But how attractive are these small 4-5 inch fish on a background of bright greens!
Perhaps the fish ternary, one of the most popular aquarium fish. Her tall body is very much compressed laterally, making ternary seems thin and graceful, like a fragile work of art. Small in size: 3.5-4.5 cm
Termezii – peaceful schooling fish. Have a peaceful temperament, but they rapidly attack each other. Termezii like to swim mid-water, moving on a free from plants.
However, in a small aquarium they hide in the plants, and leave only in search of food. This behavior is similar to the methods of Moody women? Maybe, but terezia was never capricious, that is a paradox that even more reminiscent of women’s ambiguous behavior. Continue reading
It happens that the inhabitants of the sea ruin not only bathing, but also the entire vacation. To protect yourself from this kind of trouble.
First of all, you should check with the travel company or from the media about the invasion of jellyfish, seaweed and other sea creatures. Usually about the danger of invasion inform travelers, and specially created groups of rescue workers clear water from poisonous sea creatures.
So what marine animals and plants can be dangerous for tourists:
Representatives from the fish the greatest danger to tourists are the electric rays (the injection is very dangerous for people) who like to bury themselves in the sand near the shore, leaving the top of the tail with the stinger, and poisonous tropical fish (they are very beautiful and colorful yellow, red), exudes a poison different parts of the body. The most poisonous fish found in the waters of the red sea. Continue reading
The Sevastopol marine aquarium Museum, founded in 1897, is one of the oldest marine aquarium in the world and the oldest in Europe. Over the years it was visited by millions of people from all over the world.
In the exposition of the aquarium is the whole World ocean in miniature. For underwater inhabitants here the most suitable living conditions, it is possible to build in an artificial environment.
The exhibition takes up four halls with a total area of about 720 m2 and includes 2 large outdoor pools: one (sea water capacity of 150 tons) — Central hall, second (freshwater with a volume of approximately 20 tons) — in the lower hall.
The aquarium gives a glimpse into the exciting and challenging life of the Kingdom of Neptune. Currently there are more than 180 species of animals: invertebrates (sea anemones, sea urchins, arthropods, sea stars), sea and tropical fish, and always the mesmerizing sight of the reptiles (turtles, snakes, lizards and crocodile). Continue reading