The conditions of human life in the metropolis is very far from its natural habitat. Stress, nervosa, depression are an integral part of residents ‘ life. But what else to expect from things like traffic jams, crowding in the subway, outdoor advertising aggressively and journalists hyping crap up to the global crisis? Look from behind the curtained window of the apartment building onto the street. If you pushed the shutter, so here is another apartment building, “seashells”, the cars in the yard and rubbish bins.
The aquarium is primarily beautiful. Many believe that it is also unnecessary waste of resources, and a lot of hassle. But this is not always the case.
Use aquariums not only that they are pleasing to the eye. For example, in the office aquarium will accentuate the individuality of the owner, will show that taking care of living beings alien to him. Moreover, in the middle of a hard day contemplation peacefully floating fish helps you relax. Doctors say that looking at the inhabitants of the aquarium helps to normalize blood pressure. Continue reading
Causes: the Causative agent of this disease is Cryptocarion irritans, which is a kind of analogue of the freshwater “ihti”, parasitic on tropical marine fish. It looks similar to its freshwater counterpart, but smaller (0.5 mm), besides the horse-Shoe macronucleus cryptocaryon malorazlichimyh, while Ichthyophthirius it is visible quite clearly. But the cycles of development and lifestyle of Cryptocarion irritans and Ichthyophthirius multifiliis are the same.
Symptoms: Sick fish dotted with numerous, with a diameter of 0.5 mm, white small knobs. The infestation appears first on the fins, and later goes to the body.
Current: Cryptocarion irritans infects the gills and skin of marine fish. The causative agent is under the top layer of the epithelium is filled with a gelatinous mass of leathery bag.
This pathogen, due to the same lifestyle, same causes harm to as Ichthyophthirius multifiliis.
Treatment: Can be recommended transplanting method, ultraviolet irradiation or chemotherapy, as with Ichthyo – phthirius. Effective there is also treatment with 1.5 mg/l of copper sulfate. Continue reading
One of the most remarkable inmates of the depths. Her look is so not attractive, and bizarre. As a rule, fish-drop lives at depths of 600-800 meters. There were also instances that prefer more extreme depths, namely 1,200 meters.
Prefer to live off the coast of Australia and Tasmania.
This fish is endangered. It is very actively caught and sold by fishermen. Of course, not palatability attract customers, and its unusual appearance.
The fish-drops no muscles, it is composed entirely of a gelatinous mass which density is close to water. It is this anatomical feature allows fish to swim at great depths without spending a large amount of energy.
This fish eats everything that floats by. Generally, its diet consists of molluscs and various.
2. Sea urchin
Some of the oldest animals. They inhabit the Earth more than 500 million years. Today there are about a thousand species of sea urchins. They are divided into two large groups, called: right and wrong. Continue reading