A question often asked by mothers and nervous subjects, guests of the black sea resorts and resorts.
It’s no secret that many of us feel a sense of disgust swimming in the sea, to the ubiquitous jellyfish. Meeting with them also consider, if not dangerous, in any case an undesirable event. Reason — in the ability of jellyfish to cause the effect similar to the one that gives a touch of nettles. On the tentacles, oral lobes and other parts of the body large jellyfish (the Black sea two species of Aurelia, or of the long-eared jellyfish, and kornerot) there are millions of so-called stinging or nettle cells. The cells of a special kind: in case of irritation (touching a foreign body), they “shoot” miniature thread with the spikes at the base and inject into the wound a potent poison hypotaxis, able to paralyze or kill prey. Of course, due to the microscopic size of these stinging cells of the jellyfish are dangerous only to small aquatic organisms. Continue reading
A huge number of articles written about aquarium fish, but the relevance of this topic does not disappear from day to day. Every day there are all new fans. Beautiful world by water, and who just did not see it. Aquarium fish are divided into two groups: cold-water living in the aquarium that does not use heated water, and the warm, heated water.
A huge group of fish which adapted to live in the aquarium, standing in the room, without heating, with temperature not more than twenty-five degrees Celsius. These fish are undemanding, tolerate lower temperatures. This could include community the long-bodied varieties of goldfish, loach, makropody, kallata and mosquitofish that do not require care. Coldwater needs your roommates and algae. If the fish is large in form and size, they should be kept with their own kind. Well get along undemanding goldfish and demanding Rasbora. Continue reading
10. The Aquarium Of Western Australia
(3 million liters)
Located on the outskirts of Perth, off the coast of the ocean, the Aquarium of Western Australia (AQWA) is the largest on the continent. Main tank of the aquarium is 40 metres long and 20 metres wide, containing 3 million liters of water. It also has a 98-meter underwater tunnel. For an additional fee you can even go scuba diving next to sharks and other inhabitants of the aquarium
9. The Aquarium Of Genoa
(3.78 million liters)
Built especially for the Expo 92, the Aquarium of Genoa and Italy is one of the biggest aquariums in Europe. Continue reading