In the seas and oceans of our planet are populated with over 21000 species of fish. About ten percent of them belong to the industrial types. Breeding allows you to obtain not only the fish as a commodity, it is the raw material for the production of medicines, fertilizers, pet food. Industrial fish are divided into freshwater and marine.
Freshwater species are fish that inhabit the ponds, lakes, rivers. The main industrial freshwater fish species are catfish, carp, perch. To artificial breeding of well adapted to black bass, trout, carp, Amur, silver carp. Such kinds of fish as pike, perch, catfish, carp, crucian carp, bream, take the first place in terms of industrial production in our country.
Particularly valuable of freshwater species of fish are:
sturgeon and stellate sturgeon, Beluga, sturgeon, this species of fish has a very tasty and fatty meat, and from them collect valuable Beluga caviar;
salmon – humpback salmon, chum salmon, Steelhead, these fish species are given, in addition to high demand of red caviar, delicious meat. Continue reading
Successfully choosing the right pond fish you can easily control the amount of algae that grows in your backyard pond. Algae is part of any type of pond. It’s a green film that is the result of a collection of microscopic plants that contain chlorophyll. They live and grow in stagnant water and can quickly fill an entire pond if the conditions are right.
As Algae grows
While this animal is actually not fish, they do a great job in eating algae in the pond. They are also quite reliable and can withstand temperatures close to freezing. When the amount of algae in the pond gets high, these snails immediately began work on it.
These fish can reach lengths of up to 6 to 8 inches and work well with other fish. They will eat a wide variety of algae from lumps in one thread. They will not eat other aquatic plants, but it should be kept in waters that are 70 degrees Fahrenheit or higher. Continue reading
The Nile perch (LatesNiloticus), from the order Perciformes, also known as the largest bass, is very valuable in quality.
Features of the structure
Several prelucrata head, the jaw protrudes forward, the fins are rounded. The color of the scales is silver with blue. The perch meat is lean, white, texture is soft. Mild fishy smell, used in baking, frying.
The biggest perch in the world is truly gigantic dimensions: 2 meters in length, 130 kg of weight . Perhaps, it is the largest freshwater fish. These dimensions allow to dominate the habitat. A curious fact is that the Nile perch displays its children in the mouth. This provides them a high survival rate. Continue reading