Advanced technology: fish Farming
Diplostomum fish and their importance for pond culture
Diplomacy ( Diplostomoses ) is a widely common disease of freshwater fish caused by metacercariae of trematodes of the genus Diplostomum (family Diplostomatidae , a detachment Strigeata ). Metacercariae species in this genus is a highly pathogenic fish organisms, including for fishing and pond fish. To pathogens of susceptible diplostemonous all types of freshwater and anadromous fish, especially salmon, whitefish, sturgeon, carp. They are the most dangerous for larvae, fry and fingerlings of pond fish.
Diplotaenia diseases of pond fish in Kazakhstan are observed quite often. This primarily contributes to the creation of a pond and spawning and rearing farms in the vicinity of natural water bodies, where there are persistent pockets of diplostemonous. Continue reading
The trout is a Predatory fish – Fish Sverdlovsk oblast – All about fishing – Fishing in the Sverdlovsk region
The trout belongs to the Salmon family (Salmonidae). Researchers believe that trout and char are the forms (subspecies) of trout (Salmo trutta), and lake Sevan and Amu Darya — independent species. As for rainbow trout, in the opinion of many scholars, this is a residential form of Steelhead salmon.
Brown trout (Salmo trutta m. lacustris) inhabits the lakes of the North-West of the country and the Caucasus. On spawning rises in most rivers and streams flowing into the lake, and sometimes remains in the reservoir. After spawning, the fry portion is rolled back into the lake, and some remains in the river, replenishing the population of brook trout.
Brown trout (Salmo trutta m. fario) is widely distributed in the European part of the USSR. Scholars acknowledge that the brook and brown trout is a very plastic form, easily passing from one to another. Brook trout is particularly popular among anglers (often referred to as char). Externally this is one of the most beautiful salmon. In the color of her body is covered with black and red spots, there are all colors of the rainbow. Continue reading
In the center of Sevastopol, on the shore of Artillery Bay, is a building of Institute of biology of southern seas named after A. O. Kovalevsky of national Academy of Sciences of Ukraine. In the lower floor of the Institute is the Sevastopol marine aquarium-Museum.
This is one of the oldest aquariums in the world and the only sea aquarium in Ukraine, it was founded in 1897. The aquarium is a unique Museum that gives a glimpse into the exciting and challenging life of the Kingdom of Neptune. Currently in the Aquarium presents more than 180 species of animals: this bespozvonochnye, black sea and tropical fish, and always the mesmerizing sight of the reptiles. In the Aquarium there is an extensive collection of live tropical fish that live among the coral reefs.
It is a predatory Moray eels, and a charming clown fish, lionfish treacherous and unsafe fish-surgeons, painted triggerfish and live real sharks. There is in the famous aquarium and freshwater fish: the famous piranha and their close relatives – major bezobidnyj black PACU, predatory Aravan, called the dragon of the Amazon and of an unusual shape of fish-knives. Continue reading