During the construction of an artificial pond, you must define its location and shape. In most situations, the pond give the correct geometric lines. It can be round, oval or square. When choosing a place, you need to find the site, which does not have a fully open site, and was missing a large amount of green space. You should avoid sudden changes of terrain.
Getting to the digging of the pond, it is necessary to provide, for what purpose you will use it. If he will perform only a decorative role, and fish are there to be found will not, then you need to take into account the depth of the freezing water. It is approximately 80-100 cm is why a fish pond must have a depth of about 2 meters for 30% of its surface area. In other cases the ponds deep digging impossible. They must have a depth of about 80 cm. the reason is that a large amount of water will adversely affect the film, and that of the high pressure will be torn. Continue reading
Starfish is a wonderful marine animals that have a variety of color, shape and volume, although they are all similar in appearance to a star. Some of them smooth, some with spines all over his body and smooth cock from the back side. If you look at the star from below, become visible its tubular legs. Learn more about these interesting animals!
I. Starfish- not a fish
Sea stars live underwater, but they are not fish. They lack the Gill and fins, and they move differently. Fish move with the help of the tail, and the stars help little feet-tubes, helping them to navigate the bottom.
II. Sea stars are echinoderms marine animals mind
This means that they have something in common with sea urchins. All echinoderms have the shape of a star, i.e., its body is divided into 5 rays, located around the center.
III. There are thousands of varieties of sea stars
Know about 2000 species of sea stars. They live in tidal areas or at great depths in the tropics or colder regions. Continue reading