Dangerous predators such as sharks
The shark is cruel and ruthless hunter, she attributed various unimaginable properties. The shark is one of the main characters of myths and legends of the peoples inhabiting the Polynesian…

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Marine fish
Needle (Syngnatidae) The most popular representative of the family — the infamous sea horse (sometimes isolated in a separate family). Size up to 30 cm Body skates compressed laterally, and…

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Among infectious diseases most common diseases of bacterial origin: aeromonosis and Pseudomonas.

Aeromonosis.The causative agent is aeromonad – motile gram-negative bacteria p. Aeromonas (A. hydrophila, A. sobria) related to SEM. Vibrionaceae. Hits all the main types of pond fish (carp, white Amur, carp, crucian carp). The factors contributing to the development of fish are the sharp increase in water temperature, low fatness of the fish, dense planting, poor feeding, high content of organic matter, the trauma to the fish.

Aeromonosis is acute, subacute and chronic. The acute form is observed in the spring and summer and can be accompanied by mass death of fish (70%). The disease manifests itself in the form of serous-hemorrhagic inflammation of the skin and is characterized by edema, ekzoftalm, enlarged abdomen, aresenium scales. At autopsy in the abdominal cavity detect the exudates (clear, yellowish or bloody fluid), peritonitis, hemorrhagic inflammation of the intestines, degeneration of the internal organs (increase, discoloration, foci of necrosis). Continue reading

The popular live-bearing aquarium fish

One decade is of interest to aquarists is one of the most popular groups of fishes viviparous toothcarps of the family poeciliidae.

This is the most diverse group, from all available, including a huge number of species, differing in their simplicity to the content, bright color, peculiar behavior, and, of course the birth.

All this makes the fish attractive and interesting. They are recommended to beginners to gain skills in keeping and breeding. Viviparous fish in natural conditions there are about 200 species that live in both fresh and brackish water in Central and South America.

Some species are found in the Asian part of the Eurasian continent. Today, there are and plenty of types, obtained by artificial selection. The most popular among aquarists are considered as Swordtails, Guppies and Mollies. Continue reading

Marine aquariums

In the minds of some people marine aquarium is associated with something incredibly mysterious and complex, others thoughts are focused in a different direction – poured salt into the water, here you have the sea, simply and without any ploys. In fact, the truth is somewhere in the middle.

There are several key messages that describe the subject of marine aquarium :

With the correct approach and care, the content and run marine aquarium is no more difficult freshwater.

In marine aquariums it is possible to engage both simple content and more complex.

It is important to know that a marine aquarium is significantly different from the freshwater content, therefore transferring knowledge about freshwater aquarium in the sea, at least, unwise and impractical.

The cost of consumables and equipment for a saltwater aquarium is much higher than for freshwater.

The inhabitants of a marine aquarium are also significantly more expensive compared to freshwater inhabitants.

In marine aquariums is much worse Affairs with the information flow.

Based on these theses, the conclusion is that the marine aquarium is no less exciting and interesting world than the world freshwater aquarium. Continue reading