North sea bass
Everyone who ever was fond of scientific and popular works about animals, probably more than once met the stories about the huge pike that supposedly lived several hundred years. The…

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Do fish drink water?
Though marine fishes drink a lot of water, their freshwater relatives don't drink nearly anything. The root of this difference lies in the needs of fish to maintain a normal…

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aquariums

Five classes of most common species and breeds of fish

Viviparous. These kinds of bright and unpretentious. They hold the palm of popularity among aquarists for several decades. The main secret of its popularity are viviparous their size, colour, simplicity and ease in keeping and breeding. Formed birth to live fry, bypassing the stage of eggs is the main feature of the viviparous. After the birth of the fry, adult fish, you need to isolate, as adult viviparous individuals can take the fry for live food and destroy the hatchlings. To save fry, landed in the corners of the densely growing aquatic plants.

Guppy. This is a favorite of aquarists and children. Guppies — the most common viviparous. They are found in most aquariums. Males have more popularity than females because of their iridescent coloring. Almost all the male guppies have large bright tail fins, which may surpass in size all the fish. There are breeds with ball tail fin and long dorsal fin (it hangs on its side in the form of a tape). Interesting is the forked form of the tail in which the upper and lower rays abruptly lengthened relative to the middle of the tail. Breeders was bred breed guppies with elongated lower beam tail. But the female guppies prakticheskimi colored, dull and not have a significant diversity of colors. Continue reading

Aquarium fish

For the past few years it is fashionable to purchase in a flat or house Pets. It can be various hamsters, cats or dogs with parrots and Guinea pigs.

The fish in the aquarium

Lovers of true peace and tranquility buy aquarium fish. Their behavior and grace of movement in the aquatic environment, fish are able to fill the room with peace and quiet, because watching them is like a process of meditation, then you can even sleep. Aquarium fish can be in the different aquariums. Aquariums can be made in accordance with the features of the interior of a bedroom, hall or office space. The shape of aquarium can be very different. It can be square, rectangular, cylindrical and ball-shaped aquariums. If you plan to purchase aquarium fish, it speaks to a certain individual style of the owner of the premises. In the case of children, the situation is quite different, as they consider fish aquarium as entertainment, and as the chic selection of special species of fish that will emphasize cold-blooded master. Continue reading

Marine aquarium

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