Lean fish has long belongs to the category of healthy food, as eating it regularly together with vegetables, to gain weight will be impossible. Fish for low-fat diets are useful in the composition of 15% protein is higher quality, easier to digest animal protein, but gives fewer amino acids needed by the body for its proper functioning. Also it should be noted that fish is rich in B vitamins, as well as calcium, selenium, phosphorus and iodine. It is worth considering that the iodine content is much higher in marine fish in comparison with lake or river fish.
Most lean fish
Lean fish diet for are the following list:
0,3% fat in tresques
0,5% fat in haddock
Of 0.5-0.9% fat in Pollock
0,8-1,4% fat contain silver hake, and saffron cod Continue reading
Before you have a particular aquarium fish, not be amiss to ask, what conditions are considered optimal for the species: temperature, hardness and acidity of water, the requirements for lighting, aeration, filtration, water change frequency, feed that eats fish. If in an aquarium You are going to keep a few species, it is necessary to choose fish with similar conditions. Further, the whole system of care for aquarium fish is based on these conditions.
1. The parameters of the aquatic environment
If the aquarium has established biological balance, to maintain the parameters of the aquatic environment easy. Simply not to forget to turn on the heater, lights, compressor, filter and preserve the aquarium from destructive influences from outside (top up only to defend the water, add aquarium objects, which may emit water in various substances, no Smoking in the room where the aquarium is, etc.). Continue reading
First aid and treatment of lesions of predatory fish produced by the General rules of surgical treatment of wounds. Measures are taken to stop the bleeding, held antishock therapy, is injected with tetanus toxoid, antibiotics. The victim must be hospitalized.
An electric shock of the electric ray the patient needs rest, according to testimony held antishock therapy. Recovery usually takes place without complications.
Warning defeats predatory and dangerous fish is the precautionary measures for divers descents in the areas of habitat of dangerous marine animals. Divers should be briefed about the possibility of the appearance of these animals, security measures and use means of protection (repellents, radiators of various designs, gazebos, shelters, improvised means of protection, etc.). Continue reading