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
Fans of the aquarium there is an almost limitless choice — from goldfish, the most famous of all our domestic aquatic animals, the magnificent species of fish of the tropical seas.
It is important not to settle in one aquarium incompatible species, but not to fall into the trap of smugglers, illegally importing protected species.
Fresh-water fish. Novice aquarists are advised to give preference to freshwater fish. Their breeding is much easier and cheaper, for them it is interesting to observe, finally, they look nice.
It is necessary to distinguish freshwater fish living in cold water and tropical freshwater species. First, not too many and less scenic, mostly belong to the family Cyprinidae. Among them there are varieties of gold fish (goldfish, fish-comet, Valuehost, known for its beautiful tail, fish-telescope, etc.). River fish (roach, perch, carp, bleak, minnow, gudgeon) well klimatiserede in the aquarium. Continue reading
In the course of evolution, fish have mastered many unusual ways to navigate and find food under water. Their senses are often very different from the inhabitants of the land. For example, using the sideline they feel the vibrations of the water, and their nostrils are, as a hydrochemical laboratory, determining the content of dissolved substances. American scientists have discovered in a small catfish inhabiting the coasts of Japan, another unusual mechanism. These fish are looking for the burrows of marine worms to change the acidity of the water.
Kind prihvataju striped catfish Plotosus japonicas was opened in the southern part of the sea of Japan only in 2008. John Caprio (Caprio John ) and his colleagues from the University of Louisiana several years studying these fish in a specially-equipped aquariums. Continue reading