As fishes swim

As fishes swim

Ways of swimming at fishes are so various that it is possible to talk about them for hours. Bodies of a body of fishes are muscles and fins, with their help the fishes move in water

The world of oceans, the seas, the rivers and lakes is filled by a great number of inhabitants. Fishes treat most of inhabitants of water depths, but even in their huge family uncountable quantity of types. Practically all of them have the general features of the building thanks to which, float, more precisely, very quickly move in the native elements.

Muscles and fins of fishes: engine, wheel and brakes

The bulk of a body of fishes is made by muscles. They unite to a backbone and fins, providing their mobility due to reductions. Thanks to the developed muscles, fishes can masterly operate own body, causing the wavy movements of all trunk or tail.

Fins are also connected to muscle fibers and if necessary can be turned and be developed, changing the direction and speed of the movement in water. The main engine of fishes is the tail fin, the perfect oar created by the nature thanks to which marine animals move forward. Pair chest and belly fins allow fishes to move up and down, and back and subtail give the chance to keep in direct situation and to avoid turn around own axis. Subtail fins serve fishes and as a brake, and by means of belly they can also climb to the surface. Fins can have various functional features which change, depending on a situation and species of fish. In family of sea inhabitants there is a set of exceptions of the general traffic regulation. They are caused by a variety of animals and their role in the underwater world. For this reason so interestingly to watch them.

Ways of swimming at fishes

Classics is swimming of sea types: sharks, herring, marlin and mackerel. Their bodies promptly move, moving evenly here and there. The trout and a salmon make fast maneuvers during hunting, long heats up against the current and also escaping from predators. The tuna makes long sea transitions, thanks to slightly noticeable movements of a trunk, uses a tail in the form of a sickle as a wheel. And eels use only one muscles and a tenacious tail for movements, their fins practically died off as superfluous. In the interesting way the sea horse moves in water. His back fin fluctuates with surprising speed. This fin — the only means for commission by it of sea walks and search of food. Watching swimming of fishes, it is possible to see how the underwater world with what imagination and prudence it is created by the nature is various and wonderful and is presented to the person. To preserve this oasis and to study its features — a big and difficult task for many years ahead.

Author: «MirrorInfo» Dream Team


Print