More than 70 percent of the planet covered by water. Three-quarters of the oceans have a depth of over 800 meters. Here begins the realm of the infinite sea depths beyond our reach.
This unknown world is 90 percent of the habitable space of the planet. We know more about the surface of the moon than about the sea floor. In this eternal darkness, inhabited by strange life forms. Only a few decades ago it was thought that life at these depths is impossible, but today scientists believe that the first life appeared on the bottom of the ocean. Energy, resources, food and even the climate is influenced by oceans. There to decide the future of our planet?
Only with the help of latest technology it is possible to comprehend the mysteries of the deep sea. Deep research is long and expensive, so so slowly, the scientists shed light into the darkness. Costly expeditions to the most modern vessels ply the seas in search of answers. Continue reading
The content of the fish in a saltwater aquarium can be very challenging. Maintenance of the necessary salinity of the water and a sufficiently high oxygen level in it even in a well – equipped aquarium is not easy. Most marine fish bred in aquariums, is habitat, so these fish cannot tolerate fluctuations. Reef the oxygen level is always high and a lot of light, because the corals grow only in shallow and clean water.
Sea water is very corrosive, so the aquarium must be made entirely of glass or plastic, without metal parts. Although marine fish are less inclined to jump out of the vessel compared to freshwater, the aquarium must be carefully closed to avoid contamination. It will also help to control evaporation: when water evaporates, salinity increases, so the vessel should be topped up with distilled water. Continue reading
A huge mistake beginner aquarists is the desire to acquire a goldfish . Yes, indeed, this representative of the carp family looks very impressive in the aquarium. But it’s just as capricious. Not having the relevant experience in maintenance of aquarium fish you can easily lose your pet. On this before you make a striking and beautiful instance and maybe a couple to learn the specifics of caring for them.
Where did Gold fish
The first aquarium goldfish appeared a long time ago, about a thousand years ago. Domesticated, this species of carp the Chinese. And the ancestor to modern beauties was an ordinary goldfish. Bred by artificial breeding of fishes were very valuable not only from a species standpoint, but also with the material. Then they cost a lot of money. This was especially true of rare species. Continue reading