Under the collective name of soma mean — more than 2,000 species of baleen variety of fishes from 31 families. Most of them inhabit freshwater reservoirs 5 continents (only 1% of marine residents). Only in the rivers and lakes of South America is home to about 1000 species. often the body of the fish is covered with bony plates, or protected by spikes. Thanks to the auxiliary respiratory organs (skin, outgrowths of the Gill bars, etc.) soma is not drawoutline to oxygen. They are predominantly benthic lifestyle returnee also be armed and at night.
Ordinary som belongs to a 5-meter high giants, and a parasitic catfish no larger than 2.5 cm Elektroniskie soma can cause significant shocks, and castkova, kilbowie, etc. the vibration fins, swim bladder, etc. can make sounds. Attached to the bottom substrate by using the suction cups loricaria. security, etc. are held in swift current And blind Satan, Trogloglanis (South America) and Ugittflanis (Africa) settled deep underground in caves and artesian basins. Among them are quite transparent glass Physailia catfish, Tandanus, Parailia and others). Continue reading
Thus, the spawning period is defined more clearly than most tropical species, for which the importance is not so much the temperature, the amount of rainfall.
You can determine the start time of spawning, regularly measuring the temperature of the water in the pond, because the spawning usually begins at a temperature of about 20°C. At this temperature the eggs develop normally. Plus or minus 5 °C, and the fry will be deformed, because things will develop too quickly or too slowly.
Physical changes in the fish also indicate the approach of spawning. For example, the males of the family Cyprinidae appear white swellings, called tubercles. Fish such as Orfe, Rudd, goldfish and koi, the tubercles appearing on the Gill covers and pectoral fins, while Cipriani – along the scalp.
Some fishes, such as sticklebacks, coloring of the male becomes brighter, attracting mates and scaring off rivals. Females of all cold-water species become fuller males. Continue reading
Fishing for many fans is a great way to spend time doing what they love. However, in the life of every fisherman there were moments when the catch was minimal, and to go to the nearest pond for good fish, you had far enough. And this directly affects the mood and self-esteem of a fisherman, as among his colleagues in the hobby professional is the one who will catch larger fish.
Paid fishing devoid of all of the disadvantages described above, and, in addition, it has a number of advantages. For a small fee you will be let in to the pond, which is protected, the area around it is clean. And most importantly – the fish are always there, and the finest, just waiting when you would come. Paid fishing provides conditions for higher comfort, and this means that you are free to select any place for fishing. You will not be bothered by a noisy picnic in the neighborhood, the excited members of which periodically will want to cool your ardor about your gear, scattering with long-awaited fish. Often paid fishing also provides for the presence of private houses in which you can cook the fish you caught. Continue reading