Among the modern sharks should first be noted epipelagic planktophagous of being the largest members of the superorder, class, and all living groups participatng animals. These giants feed on similar to baleen whales, filtering thousands of cubic meters of water through a “net launcher”. which has become Horny Gill stamens of these sharks. Remaining in the oral cavity Maso and Munro – plankton (except for especially large objects) and serves as food sharks planktophagous. Just today there are three such shark: giant whale, which the inhabitants of epipelagial, and largemouth tending to mesopelagial, for depths greater than 150 m.
These sharks differ from individuals of other species by a number of morphological features associated with the specifics of the production of food. First of all here should stay on the morphology of the Gill apparatus sharks planktophagous, Except a kind of Gill rakers, they have a very large mouth, largemouth and whale sharks is almost final. Epipelagic sharks-planktology filter huge amounts of water and thus receive the necessary amount of food in places of mass accumulations of planktonic organisms,so the whale and especially of basking sharks clearly feed migration. Continue reading
Recently going to the pet store in the aquarium Department, discovered a large new fish. And among them Chitala of ornate or Indian knife. It is a large fish, a bit unusual for our market.
Silver with round spots, a large, unusual shape! Agree, it has its own charm!
Having admired the Indian with a knife, went further and found some more aquarium fish, of which Chitala of ornate one thing in common! They are all predators! Hopefully, in the store warn customers of the nature of these aquarium fish. Although, in my opinion, better to be aware and not to rely on the vision and the honesty of the seller.
Now, explain why this is important!
Predatory aquarium fish are not uncommon in modern aquariums. Many Amateurs and professionals specially having a predators. But often happens so: inexperienced aquarist begins to suspect that his predatory aquarium live aquarium fish only after a number of other inhabitants of the aquarium are significantly reduced. Continue reading
The pond – a beautiful decoration of a country house or infield. Properly planned and secured all the necessary pond will create a comfortable microclimate, will attract the attention of guests, and the owners will give an opportunity to relax and regain good mood.
To provide microclimate and cleanliness of the pond help pond equipment such as pumps, aerators, filtration system, and accessories – scissors, tongs, skimmers, nets, cleaners the bottom. Experts will help to choose the equipment that best suits Your goals. One thing a large pond where you can fish and swim, and quite another – a small decorative pond. From its size and functions depends on the capacity of the purification system. Mechanical filters clean the water in several ways. Water is disinfected with ultraviolet light, algae and debris remain on the brushes, the porous material separates the microorganisms and the minerals release water from harmful substances. In addition to mechanical filtration in ponds used bioform. For example, in the area of shallow water you can create the swamp with the special plants that will filter the water. Reed will miss the air under the ice in winter. Gravel and small stones will saturate the water with necessary minerals. While a variety of fountains and waterfalls adorn the pond, and provide oxygen to its inhabitants. Continue reading