In recent years, the breeding of decorative fish species, such as koi fish, is a favorite pastime of lovers of the exotic. Besides, it’s still a pretty profitable business. Those Japanese with fancy coloration fishes are of great interest not only to aesthetes. Garden ponds with such inhabitants become the perfect decoration for any suburban area. The owners of artificial lakes should take into account the fact that koi carp is quite cold and prefers clean, flowing water with high oxygen content. This environment will provide the exotic fish comfortable habitat conditions.
For successful breeding and keeping koi it is important to know that water is the most important factor in this wonderful lesson. First, the reservoir must be equipped with reliable high-performance filtration system, which will provide a continuous flow of clean running water.
Secondly, it is extremely important to ensure you receive enough oxygen, which is pumped by a compressor or by passing water through artificially arranged waterfall or cascade waterfalls. Thirdly, regular cleansing of the bottom of the reservoir to keep the water clean and clear, quite suitable for fish health.
The optimum water temperature for koi is 8-28°C. With its decrease koi spuskaetsya the bottom of the reservoir. And if the water temperature continues to fall, this can lead to fish kills. That’s why in autumn it is necessary to take care of the wintering of their Pets. A special attention should be paid to the nutrition of carp. For the safe transfer of cold weather, the fish should be given food, having in its composition a high percentage of protein and fat. Continue reading
Fish of the Black sea – a total of 193 species. About all we will not speak. But some of the fish species of the Black sea is worth mentioning.
The mullet is a genus of fish of the family of mullets, numbering two kinds. This valuable little food fish reaches a length of 40 cm red mullet are Distinguished by the presence of long “whiskers” on the lower jaw, which muddies the sand on the sea bottom and catching small animals. Live in the Mediterranean and adjacent seas. Fishing for red mullet .
Goatfish or red mullet
Kalkan, the largest black sea flatfish, reaches a length of over 70 cm and a weight of 12-16 kg. more Dark spin Kalkan (formerly the left side) covered with numerous bony tubercles. Hard skin fish owes its name to the Turkish word “Kalkan” means a shield with additional protection, umbono. Kalkan inhabits sandy and Shelly soils of the seabed. Winter and summer it is the depth, in spring and autumn makes a small migration and moves to shallow water. It spawns from April to July. Feeds on demersal fish and crabs. The body flounders glosses covered with scales. Eyes, unlike Kalkan, moved to the right side. Length of Glossa is not more than 30 cm. Continue reading
Health. Poisonous sea creatures
Rest on the sea, and especially on the ocean side is always very attractive. And doubly in uncharted territory. But the water element can become a trap for man. People are afraid of sharks, but don’t know anything about poisonous aquatics – sea creatures, touching which can cause toxic shock or paralysis.
In a light it will burn, after which there can remain a scar. Victims of poisonous aquatics can become naive nature-lovers, who, wearing a mask and flippers, jump into the depths of the sea or ocean without a wetsuit. Very helpful first learn about what sea creatures live there. In tropical seas often on the whole water area covers a quarantine regime because of the approach to the shore dangerous for a man of aquatics or aquatic organisms. Better to meet these requirements.
Poisonous sea creatures
1. Jellyfish and siphonophora physalia
Jellyfish are marine invertebrates that live in all the seas and oceans. There are more than 2,000 species of jellyfish, of which approximately 70 are dangerous to humans, a collision with them causes severe burns and may even cause a lethal outcome. The severity of the burns of jellyfish varies and depends on individual to individual. It may just be a burning sensation or pain that last from a few minutes to several hours. But someone may develop anaphylactic shock due to the intolerance of the toxin of jellyfish. The most dangerous type of jellyfish is the box jellyfish. It has a distinctive cube-shaped body. Burn this jellyfish causes severe intoxication and dermatitis, and possible death. The most dangerous of the jellyfish, Sahika barnesu and Carybdea alata, have another name – the sea wasp. It is a small jellyfish that live at great depths, but their powerful tentacles they are even capable of penetrating a wetsuit. Continue reading