Found the largest predator in the history of the planet
Reconstruction of the head Mapusaurus roseae (AP Photo/HO/Rodolfo Coria). Paleontologists Philip Carey (Philip Currie) from the canadian University of Alberta (University of Alberta ), and Rodolfo Coria (Rodolfo Coria) from…

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Sharks returned to the Adriatic
Sharks were returning to the Adriatic sea. Moreover, populations of predators are increasingly encountered in the North, where the sharks never swam. This fact can not please scientists who earlier…

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Sharks returned to the Adriatic
Sharks were returning to the Adriatic sea. Moreover, populations of predators are increasingly encountered in the North, where the sharks never swam. This fact can not please scientists who earlier…

Continue reading →

Aquarium fish Discus

Almost any person will not mind having in their own house or apartment at least a small petting zoo – tiny underwater world aquarium. Observing and considering the inhabitants of the aquarium – a person is resting, both physically and mentally. It is interesting and surprising to observe the colorful underwater creatures. Psychologists believe that watching aquarium fish even 10-20 minutes a day, people restores emotional balance, reduces stress, normalizes blood pressure.

At first the discus were introduced into Europe in 1914

Among the countless different types of aquarium fish, it is especially possible to allocate a fish called discus . These fish are magnificent and varied coloring, they possess a Majesty and grace, and truly admire a person with their unique mating courtship. And owing to these characteristic qualities of discus called the Kings of aquariums. These fish discoid, almost circular body, in the natural world-the body of the discus may reach 30 centimeters in diameter. In the aquarium, discus fishes can grow to a maximum of 20 cm.

The coloration of the discus may be the very best different, at crossings both in vivo and in napoleoni form all possible color variations. For the first time the discus were introduced into Europe in 1914, but breeders aquariums got a chance to get to know them only after seven years and long time discus called “blue angelfish”. At that time the price of a pair of discus could be up to $ 1,000, but, despite this seemingly huge cost, discus appeared in aquariums most fish lovers in many countries. Today, the cost of discus in Akvarif center much less.

First started aquarium discus – breeders of Belgium, Holland, Germany and France. Optimal reservoir for keeping of discus aquariums are considered to be of cubic form, pick up the aquarium here aquarium glaser. In long and narrow reservoirs, they will look not so beautiful. Discus prefer densely planted aquariums with algae, where a lot of shaded areas, of narrow passageways and shelters — these fish love solitude.

From underwater plants for keeping discus is more suited to large leaf – like echinodorus and other algae that feel good in the water high enough temperature. In taste, these fish are quite picky, away from the food, which they don’t like categorically refused.

What is Marine aquarium?
Throughout the contents of a marine aquarium, you will have to experiment on your own risk. There is a lot of literature and other information sources on this topic. I…

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Barracuda
The Barracuda is very similar to the pike, however, a large Barracuda (Sphyraenidae) and is called a sea pike for her appearance and hunting habits. It is the same long,…

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