To care for a marine aquarium is much more difficult than freshwater. The reason for this is that in nature, fish have evolved in relatively constant conditions of environment. Therefore, a change in vital parameters is allowed in a very small range. Beginners rarely have marine aquariums: not just for complex care, but because of the high cost of equipment and their inhabitants.
However, if you really want to have a home to beautiful tropical fish, take a chance and make a saltwater aquarium is definitely worth it. It can be of three types: only with fish, plants and invertebrates, and finally with all together. Easiest way to take care of the first type, since all terms are calculated only for fish. Proper starting of the aquarium can considerably facilitate subsequent maintenance and to get rid of many problems.
Before starting the ground is Packed by size fractions: large pebbles on the filter or the bottom of the aquarium, then a special coating, which is poured fine sand. You can use coral skeletons, natural or artificial; decorative purposes often use a neutral rock. Continue reading
In aquariums you can keep any fish. You can catch in the river or in the sea live, intact fish, a carp or a shark, and place it in a suitable container. If to create conditions close to natural, the fish will live to swim, maybe even to reproduce. But traditionally in freshwater aquariums keeping a relatively limited number of species of fish that are best adapted to life behind the glass.
Characins: Neons, neon red, neon black, neon green, Pulcheria, minor, Tetra von Rio, eritrozonus, lemon Tetra, conventional ornatus, ornatus red (phantom), ornatus black, diamond Tetra, ternary, coin, red-nosed Tetra, glass Tetra, pristella, Philomena, flashlight, Royal Tetra, Kerry inpaint, tetragonopterin, Congo blue, red nannostomus, poecilobrium, nannostomus marginatus, Congo yellow, distichum krasnolesnyy, hilodus, piranha, macherot. Continue reading
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