The most decorative are considered shubunkin – gold fish with blue, red, purple, black.
Shubunkin and goldfish
In Europe fish is relatively recent, although in China, was bred for thousands of years. There are many species of these fish, the most persistent of them can live under a layer of frozen water, if only “window”.
Ornamental fish (not edible) in the winter water can’t.
Ordinary goldfish are inexpensive, unpretentious. Scales with metallic sheen, shiny. Can live up to 20 years and grow to 40 cm Spawn from April to July.
The most decorative are considered shubunkin – gold fish with blue, red, purple, black. Continue reading
In tropical seas poisonous fish is not unusual. From them should stay away, as the poison some of them fatal to humans. Moreover, poisoning and death can cause not only biting fish, but the use of them as food.
Threat by eating the so-called coral fish, and benthic, which live on the seabed. Many lagoon and reef fish are also poisonous meat. Pick out generally: if there is any doubt about the safety of seafood, it is better to give them up! Toxins poisonous fish have no taste, because almost completely dissolve in water. They are also not subject to disintegration during heat treatment. So that grilled or poached fish – not so safe. Also, be aware that many birds have an immunity to the toxins of fish, so if you see a bird, quietly eating fish, do not rush to chase and eat the remains of the feast. What is good for the birds, for you can be fatal! Continue reading
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