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Stingrays are a superorder of lamellibranch cartilaginous fishes, which includes 5 orders and 15 families. The color of the upper part of their body depends on where exactly the stingrays live. The latter can be either black or very light.

The size of stingrays varies from a few centimeters to several meters, the wingspan of some rays can be more than two meters (for example, rays from the eagle family). Electric rays are endowed with a very specific "weapon". These rays paralyze their prey with electrical discharges.

Stingrays can be found in different parts of the world. They are found even off the coasts of Antarctica and in the Arctic Ocean. It is best to observe the "flying" stingray off the coast of Australia.

Stingrays are relatives of sharks. Moreover, the closest relatives. External similarities, of course, are not observed. In terms of internal composition, stingrays, along with sharks, are not made of bones, but of cartilage. In ancient times, stingrays were similar to sharks not only in internal structure, but also in external features. However, time has changed them beyond recognition.

Stingrays are ancient fish. This is true - some of the most ancient fish, like sharks.

Stingrays have a unique respiratory system. Why unique, but because all other fish breathe with gills. However, if the stingray tried to do the same, then, together with the air, it would have sucked in the sand lying at the bottom. That is why the breath of stingrays is different from that of other fish. Air enters the stingray's body through a special spray. The latter are on the back of this fish. The sprinkler is also protected by a special valve, but if it happens that some foreign particle still appears in the sprinkler, then the slope is freed from it by releasing a stream of water from the sprinkler.

Stingrays are a kind of waterfowl butterflies. This analogy can be drawn based on how the rays move in the water. They are also unique in that they do not use their tail when swimming, as other fish do. Stingrays move due to the movements of the fins, while resembling butterflies.

Stingrays are different from each other. First, in terms of size. Nature knows stingrays only a few centimeters in size and stingrays, whose size reaches 7 meters. Secondly, different stingrays also behave differently. Some stingrays don't mind, for example, jumping over the surface of the water, while most of these fish prefer to spend their time buried in the sand.

The sea devil is an amazing stingray. He encourages sailors to write the most incredible legends. Still would! Even if we imagine such a picture, when something seven meters high suddenly flies out of the sea water for a few seconds (and this is something that is a sea devil's ray or, as it is also called, a manta ray), the weight of which exceeds two tons, then the sailors are quite understandable. Moreover, given the fact that in moments this giant again plunges into the depths of the sea, showing the sailors goodbye a black pointed tail.

The sea devil is a safe creature. Despite the largest of all stingrays in size, this stingray is not endowed with any electric power, it does not have thorns and terrible teeth. And the elongated tail, which sailors remember, is also unarmed. The sea devil has a rather good-natured character, and does not touch people at all. Sea devils are found in all tropical oceans. They can be seen both on the surface of the water, and in its thickness, and at a height of about one and a half meters above the water. By the way, the purpose of the "jumping" of the sea devil from the water is not known for certain.

The sea devil tastes good. They say that his meat is not only tasty, but also nutritious. In ancient literature, you can find a description of recipes with a sea devil. Only hunting for this stingray is far from safe and not easy. Due to its size, the sea devil can easily, for example, turn the boat over. And why kill this extraordinary creature of nature, especially when you consider the fact that the female brings only one cub. True, the dimensions of the latter are very, very impressive, as well as the weight, which on average at birth is equal to ten kilograms.

Electric stingray is a terrible fish. Much scarier in nature than, for example, the sea devil. The fact is that the cells of an electric ray (it is also called ordinary or marble) can generate electricity up to 220V (of course, the name of this ray came from here). And how many divers were exposed to the electric current of these rays! It is worth noting the fact that all rays are capable of generating electricity, but not to the same extent as an electric ray. The electric ray has been known for a long time. Its dimensions can be determined as follows: approximately one and a half meters in length and a meter in width. Weighs from twenty five to thirty kilograms. The upper body is covered with whitish and brownish veins, and therefore the shades may vary.

The female electric ray will give birth to live cubs. Eight to fourteen babies can be born at a time. Previously, it was believed that if the cubs were threatened at least some kind of danger, then the female took them to her mouth. The cubs are there until the danger is nullified. But at present these data have not been confirmed.

Electric rays are lazy creatures. They are by nature very slow. However, marble stingrays have a special power, which lies in the fact that the stingray can make any fish immobile only by touching it. Thanks to this unique ability, the stingray does not need to move quickly - having buried in the sand, it simply waits for prey. Fish swimming next to stationary electric rays quickly become sleepy and lethargic. In the immediate vicinity of the marbled slope, fish can even die. Fishermen know about this unique ability of the stingray, the power of which reaches the hands through the net and makes them let go of the net. The poison of a living stingray can penetrate into the human body even if he touches it with a stick. Dead stingray is perfectly safe.

The marble slope deliberately inflicts electric shocks. The blows are stronger directly under water. If you irritate the stingray, then it is easy to force it to repeat the electric shocks several times. With the help of an electric apparatus, marble stingrays protect themselves from enemies and get food.

The spiny-tailed ray's weapon is its tail. It is precisely this stingray that plunges into its victim. After that, the stingray pulls its tail back. The victim's wound is ripped apart as the stingray's tail is studded with thorns. The spiny-tailed ray will never attack just like that, it enters into a fight only for the purpose of self-defense. And the diet of the spiny-tailed stingray includes crustaceans and mollusks, which are ground not with their teeth, but with special platinum and projections.

Watch the video: Gigantic School of Rays. Untamed Americas (July 2022).


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