Proper feeding of fish is one of the most important moments in the aquarium. Wrong feeding is, along with poor water quality (which is also called, for example, over-feeding) the main cause of death of fish.
One of the things that is often overlooked is the fact that different fish are adapted to different food. Beautiful tropheus to put in the aquarium with omnivorous fishes and take them all to feed Tubifex is a sure way to kill the fish due to the outbreak of infection in the digestive system, which is designed for digesting coarse plant foods. And legkousvaivaemyh food rich in protein, this stomach leads to trouble.
Therefore, along with selection of compatible fish to water parameters, you must put together fish with similar gastronomic requests. Continue reading
The vast world oceans inhabited sometimes quite strange creatures that defy logic and gravity. Sometimes they are a water angels, and sometimes a fiend. This is the most bizarre sea creatures on this planet.
This strange creature is very old, even ancient sponges. This translucent sea creature looks like Christmas decoration and shimmers in the water. Neon flashing, which it radiates is the light refracted by the thousands of neon cilia, the hair thick along comb-like ridges, which gave it its name. These little animals are not jellyfish, although very similar. They differ in that they do not grow a sting unlike jellyfish. They do not have a brain or specialized sense organs, only the primitive neural net around the mouth, which can monitor chemical traces in the water. When it bumps into something edible, it just opens the mouth very widely. Swallowing the prey, it closes its mouth, hold it with hooks. Continue reading
Most fatal collisions of man with bull shark was not in the sea and in fresh waters. Bull sharks inhabit, for example, in the lake Nicaragua. The Spaniards who first discovered this lake, located between the coast of the Caribbean sea and the Pacific ocean, found a small length of only 1.8 meters — sharks, which soon acquired a reputation as an extremely dangerous predators often attack people. It seems to me there is something particularly sinister in that, even bathing in the river or lake, away from the ocean waves, you suddenly find that you have aimed shark mouth.
Lake Nicaragua and the Caribbean sea joins the San Juan river, at the mouth of which also live bull shark. However, they seem not to be mixed with the lake sharks, although it is natural to assume that the bull shark is the descendants of the river, when rising up from the mouth, into the lake. Continue reading