The Number – Cypriniformes
Family – Priniv
The genus/Species – Serrasalmus nattereri
Length: average 20 cm, in some species up to 50 cm.
Mass rarely exceeding 1.5 kg.
Caviar: a few thousand eggs.
The incubation period is 10-15 days, depending on water temperature.
Habits: constant float huge flocks.
Food: primarily fish; attack mammals, floating or come to the waterhole, and birds.
18 known species of piranhas, 4 of which are dangerous to humans, although fatal cases have been identified. Continue reading
Marine aquariums can be divided into several types, depending on the animals that inhabit coral reef, fish, mixed and thematic.
Of course, the most memorable and prestigious, but at the same time, the most difficult to maintain coral reef .
The reef can be represented by soft or hard corals. In addition corals in the reef there are sea anemones, anemones, and many other subjects, including it might as well be fish, but usually small, inconspicuous and completely in a small amount.
Under natural conditions, the corals are in perfectly clean water, so we need to take seriously the issue of water quality, to reproduce and maintain the same properties of the built environment in a marine aquarium. In addition to special complex filtering system, the so-called “living stones” perfectly fulfill the role of water purification, both as a design element and substrate for corals. Another important focus in the marine aquarium – quality and correctly chosen spectrum lighting. Continue reading
Pros: tasty, inexpensive, very useful
Someone in my family loves fish. I have therefore tried many kinds of fish and ways of cooking. And in this case, the issue price of not standing in the first place.
At first, I often bought salmon. She is tender, beautiful and expensive.
Tried to buy tilapia, sea language, sea bream, trout, carp, catfish, pike, sturgeon, hake, and do not list.
Later read a lot about what fish to bring us where it was harvested, the conditions in which it inhabits. And found a bad moment.
It turns out that in addition to dividing the fish of the sea and river, the fish is divided more and growing conditions. So, fish is artificially grown and living in natural conditions.
Fish grown in razvodnyh (fish farms), to put it mildly, is not subject to the use. Fish live in artificial ponds in a large quantity, often in dirty water, fed unnatural feed, is constantly sick. Therefore, it is continuously fed with antibiotics (to prevent mass mortality), as well as growth hormones (to quickly sell the fish maximum weight. Continue reading