In the waters of the Gulf of Thailand is inhabited by many species of jellyfish, most of them pose no danger to the bather. However, occasionally there occur and deadly members of this family — jellyfish. This jellyfish cylindrical body and a very long blue or blue tentacles (length of tentacles of some species of jellyfish reaches 4-5 meters). In August and October of 2015 near the Islands of Samui and Phangan were registered two fatal accidents with the girls who decided to go swimming at night and saw the presence in the water of this dangerous jellyfish.
If you are going to swim in the sea, pay attention to the coastal strip. If the sand contains up washed up jellyfish, so you should be doubly careful when bathing. As a rule, jellyfish that can sting you, quite visible in the water because of their dark or bright color (transparent jellyfish are not dangerous to the bather). But the situation may be complicated by the agitation of the sea, or opaque because of suspended sand in the water. It is especially dangerous to bathe in the dark. Continue reading
In the aquarium in most cases, contains several species of fish. So when selecting them you need to pay special attention to match the requirements of the conditions of keeping and feeding. According to data available at the present time there are about 300 species of aquarium fish, but more than half of them are rare. When krasnovidova the content of the fish is very difficult to create optimal conditions for each species. I mean the lighting, temperature, vegetation, and oxygen feed mode, the thickness of the layer of water, its cruelty and acidity. However, many fish species are characterized by their ability to adapt to environment conditions.
Many aspiring Amateur aquarists strive to keep in the aquarium more vibrant and beautiful fish, oblivious to the fact that you can not find them only in appearance. Survival, development and reproduction of fishes is a complex process. While much will need to be taken into account. Continue reading