7 Most Dangerous Jellyfish in the Underwater World

Photo 5 of 8

Portuguese boat (Physalia physalis)

The second name for jellyfish is physalia. Although this is rather not even a jellyfish, but a whole colony of polypoid and medusoid individuals. The «bite» of a Portuguese boat is extremely dangerous and painful (sensations are compared to hitting the skin with a whip). The main risk is the systemic effects of the poison. In severe cases, intense pain is followed by fever, shock, and impaired heart and lung function, which can lead to death. Physalias are accustomed to moving in groups of up to 100 colonies, and sometimes in resorts they have to close entire beaches because of them!

INTERESTING Empty Ghost Towns in China

Empty Ghost Towns in China

In the early 2000s, the Chinese government threw all its efforts into the construction and development of large cities. For this reason, today we see many skyscrapers, large business centers and residential buildings built according to the latest technological inventions. This process does not stop to this day, and therefore if you ride around China today, you can stumble upon real ghost towns. Large, equipped with everything necessary for life, but did not know it ....
CELEBRITIES 8 Deaths of Actors on the Set

8 Deaths of Actors on the Set

It is generally accepted that the profession of an actor is prestige, success and unheard of popularity. But sometimes, in addition to crowds of fans and lots of money, actors have to face dangerous situations that can overtake them right on the set. Well, if they get off with a couple of abrasions and a fright, but the stories of the cinema are known and such cases when the actors did not come out of the set alive ...