Ten years ago, on the island of Sipadan in Malaysia, I took a picture of my first shark. It was almost certainly a shark-Zebra, Stegostoma fasciatum. The current was carrying us along sheer walls, and she, mysterious and beautiful, gleamed in the distance. My heart jumped to somewhere in the Adam’s Apple, I quickly raised the camera and took this blurry picture.
The shark disappeared into the depths, and I got a new hobby — a passion for cartilaginous fish. Have devoted a considerably long time, wrote some articles , even led a couple of sections in Wikipedia. Traveled to different corners of the planet to dive with them.
Of all the sharks I liked Fox, or as she is known in English, thresher. She is like a shark-Zebra with long tail and harmless disposition. Graceful, smooth and swift. Without the aura of celebrity, without the reputation of a ruthless killer. So to speak, a humble toiler of the ocean depths.
Thresher shark (Alopias vulpinus, Thresher shark). Illustration from the book “A field guid to the sharks of the world” Continue reading
Make the pond at the dacha with his hands can any modern inhabitant of the metropolis. And this does not need to resort to heavy construction equipment. The material describes how to make a pond on the site with the help of finished plastic containers and plastic film. Before making a pond in the garden need to carefully plan its development, and bookmarks.
How to make a pond from a film on a plot in the garden?
With the flexible coating to really bring to life most daring idea, maybe only slightly adjust its size in accordance with the actual width of the roll of film or butyl rubber, so there were no big scraps, because the cost of these materials is quite high. We offer you to learn how to make a pond with his own hands using locally available materials.
When choosing a location, before you make a garden pond with your hands, make sure that most of specific points of the plot it looked great, but on its surface one could see an interesting reflection not only of clouds, but the house and plants. Continue reading
The presence of fish in the pond is acceptable and desirable to the owners, but is not required, and determining the purity of water. In addition, any interior design or landscape can give a boost to due to the reservoir. For living in the pond need a more hardy breed of fish than the aquarium. There are breeds that are most suitable for pond. At their selection it is necessary to consider following features:
– number of fish determined by the size of your pond the following calculation: for every 0.5 sqm of the pond not more than 2.5 cm of body length of fish. It is recommended to buy fish no longer than 10cm.
– fish are able to produce their own food in the pond, so they must not be overfeed. Feed them in spring and summer. You can safely take a break in feeding to the time of departure on vacation. For feeding one should use food floating on the surface, it remains necessary to remove from the water.
– the main causes of death of fishes are the pond overpopulation, disease, and insects such as larvae of dragonflies, water beetles, grabiak. Continue reading