Black sea shrimp
In the list of the most popular effective tips for catching sea fish worth mentioning black sea shrimp. They belong to the class crustacea and subspecies of decapod crayfish – Decapoda. Many of them are of great forage value to fish and other aquatic organisms, and are also used for human consumption. Black sea basin is inhabited by two types of shrimp-small sandy Crangon (Crangon crangon), gray-green color and large stone palemon (Palaemon elegans), having a translucent shell. Crangon mainly lives on sandy ground and areas of the bottom with small pebbles, covered with algae and Zostera Cystoseira, at a depth of 3-30 m, where it is held in large clusters. Shrimp Crangon reach 3-5 cm in length. The palemon, or whatever it is called stone shrimp, lives on rocky bottom areas, near cliffs and large submerged ridges, overgrown with algae phillophora. Adult stone shrimp is about 7 cm in length, but long whiskers and the outgrowths of the carapace visually increase its size. This European-African shrimp was imported with the introduction of mullet and first discovered only in 1957 it is Interesting that shrimp don’t swim, and walk slowly, touching the legs, pinching the roots has algae, looking for dead animals. Continue reading
Taking the decision to start an aquarium, it is very important to take care of is to populate the aquarium with compatible species of fish. Otherwise some fish will hunt for others or eat their food, while others will be constantly in danger. So the compatibility of aquarium fish is a very important factor that should take into account the novice aquarists.
It is known that in nature, the coexistence of different species is regulated in a natural way: for each other fish just will not be settling there. But in the aquarium by the will of man predatory and peaceful fish have to be “neighbors” that usually leads to problems: the strong eat the weak, and the number of inhabitants of the aquarium has been steadily declining.
However, not only in danger of eating some types of fish other lies the reason for the incompatibility aquarium fish among themselves. There are also problems related to the content of different species of fish in the aquarium associated with different needs for water parameters, the size of the available area, presence of aquatic plants, etc. Continue reading
4 July 1819 from Kronstadt went on a circumnavigation of the sloop “Mirny” and “Vostok”. The result of the expedition was the discovery of Antarctica. We decided to compile a list of the most interesting animals that inhabit this continent.
Weddell seal – the southernmost not only beast, but also one of the most endearing animals. Pretty faces of these large-eyed mammals can be admired for hours. Seal inhabits the entire coast of Antarctica, the number is estimated at about one million individuals. This animal is a beautiful diver. Adult seals can hold their breath for an hour and is able to forage for food at depths of 800 meters.
Blue, or Blue, whale . inhabiting the waters of the southern ocean, is not just one of the animals that have managed to adapt to life in harsh conditions. This is primarily from the most giant animals on our planet is now inhabited and ever. Its length can reach four hundred feet, and the weight often exceeds 150 tons. Compared with humans, this animal looks like a giant floating mountain. One only the heart of a whale may weigh more than a ton. Unfortunately, as a result of uncontrolled whaling a huge number of blue whales have been destroyed, but now their numbers are slowly recovering. Continue reading