Whales – the inhabitants of the depths of the ocean
Whales, the largest animals that live in the ocean, including all of the largest creatures that ever lived. In this group of giant animals, sperm whales set a record: they are the largest hunters with their teeth.
Sperm whales are very strong Predators. They are immersed in cold water in the black depths of the ocean, hunting squid – including the giant squid.
They are also a rich and varied social life. They live in family groups and support each other.
Recent studies suggest that the relationship of sperm whales in the family group just as important for them as our own.
The female sperm whales are likely able to detect sperm whales and their families, social nakoplivat knowledge and recall their interaction history for a very long period of separation.
His research, published in the journal “animal behavior, shows that sperm whales have a specific preference, in the same way we might Edge separation – is a favorite cousin or aunt.
These preferences remain constant for man years, it is assumed that whales recall their distant friends and family, despite the fact that they spend most of their lives apart. Continue reading
Hazardous predatory fish: barracuda and moray
Moray – a fish that likes to hunt in the coral reefs. It has no paired fins and gill covers, and it looks more like a snake than a fish, but it belongs to the order of the animal eel fish bone.
Moray inhabit the seas around the world, where the water temperature is right for them. Incredibly, the maximum recorded length of the body eels amounted to almost 4 meters. Although these fish are not the sharpest vision, they always find their prey. Their sense of smell is four times larger than the dog. Size eels varies depending on the species to which they belong, some moray eels the size of a man’s hand, while others reach 3 meters in length. Although the skin of the fish scales is not protected, it is not in danger, get hurt by sharp edges of reefs, her body covered with a thick layer of mucus, and it protects the fish from external damage.
Despite the more modest size of these predators, their way of constantly open and close the jaws, it looks pretty scary. Although in reality, this habit is not associated with intimidation and breathing moray eels, opening her mouth, she chases through the gills, oxygen-rich water. However, if your mouth is still open, you have to be careful, moray easily goes into the attack, immediately shut the mouth.
Watching moray eels, which can be found in her powerful and crooked teeth. The bite of this fish is very dangerous, its teeth are not only extremely sharp, but still very dirty, so moray bite can cause severe inflammation. In addition, they are also serrated, one bite and the victim does not escape. Continue reading
Squids – predatory inhabitants of the oceans
In the water column of the oceans meets many other exotic fish, but they do not form the basis of its biological balance; In this regard, the main role belongs to the small mass form – sardines, anchovies, horse mackerel, herring. These slender fish that feed on plankton, are the main products of sea fishing, they also serve as food for many predatory fish, sea birds, dolphins, seals and squids.
The destruction of small fish squid quite successfully compete with other marine predators. Whole flocks of these cephalopods follow the shoals of fish. The movement of light and swift, developed their speed is not inferior to the speed of dorado or dolphin. Not knowing the rest, worn squid in the ocean in pursuit of prey. Significant energy consumption is compensated by the abundance of food absorbed and respiration rate. Some species of squid, dispersed in water, start in the air and can fly over the waves of 40 – 50 meters. In this way they not only catch up with its prey, but also fleeing persecution larger predators.
Squids can move both head and tail first, and in the latter case the rate of movement will be much higher. Dialing into the mantle cavity water, the animal with the force throws Continue reading