Shark is the most dangerous marine resident who is able to harm human life. The predator lives in sea waters and oceans. You can meet representatives of vertebrates in almost all the salty waters of the world ocean, but there are so many varieties of fish that it will not prevent you from familiarizing yourself with the most striking representatives of this family.
General characteristics of sharks
Sharks are conditionally divided into eight detachments. In total, today there are 450 species of predators, but researchers say that there are other representatives of this family, so far unknown to a person.
The variety of sharks is so large that the smallest fish grow up to 20 cm, while large can reach 20 meters. Nevertheless, all vertebrates have a number of similar features: the sharks do not have a swimming bladder, they breathe oxygen, which enters gill slits, marine animals have an excellent scent that allows the victim’s blood at a distance of several kilometers. Also, all fish have a unique skeleton consisting of cartilage fabric.
Unfortunately, many types of sharks died out, and information about them is hopelessly lost. Today, 8 main detachments of predators are distinguished:
From a large number of fish, not all are predators. Three types of sharks feed on plankton. There are also such vertebrates who live in fresh waters.
The main types of sharks
You can meet with dangerous predators in the Atlantic, Pacific, Indian Ocean, as well as in the Mediterranean, Red and Caribbean Sea. The most unusual marine animals are considered:
Tiger or leopard shark belongs to the most greedy predators, the maximum fish length leaves 5.5 m. A distinctive feature of a marine resident is a tiger pattern located throughout the body.
Akula-fellow is a unique shark having a “hammer” in front. The predator creates the appearance of massive and unusual fish. Adults grow up to 6.1 m. Fish love to enjoy sea skates, slopes and tailings.
Silk or Florida shark-has an extraordinary gray-blue color with a metal tint. The maximum body length of the predator is 3.5 m.
Dumb shark belongs to the most aggressive fish. In some sources of the predator, they are called a shark-bun. The sea resident in India and Africa lives. A feature of fish is the ability to adapt to fresh water.
Blue Shark is considered the most close to a person fish, as it often swims to the shore. The predator has a blue color of a rather slender body and mainly grows to 3.8 m.
Zebrashaped shark is distinguished by an extraordinary color in the form of brownish stripes on a light body. A variety of fish is not dangerous for humans. The shark dwells near China, Japan and Australia.
Helmetshaped shark one of the rare species of predators. The surface of the body of the fish is covered with cloves, the color is represented by dark spots on a light background. Adults grow up to 1 meter long.
Mozambik shark-red-brown fish with white spots on the body. The sea resident lives in Mozambique, Somalia and Yemen, grows up to 60 cm.
Semizhaber or straightforward shark is distinguished by an aggressive character and ash coloring. The fish has a narrow head and grows up to 120 cm.
The raincoat or corrugated shark is a unique marine resident capable of bending the body like a snake. The predator has an elongated body of gray-brown color, reaching 2 m and numerous leather bags.
Fox Shark is characterized by a high speed of movement and a long upper lobe of the tail fin. The latter successfully deafs the prey. The length of the fish reaches 4 m.
Sand shark has an upturned nose and massive body. Prefers the tropical and cool sea. The average length of the individual is 3.7 m.
Shark-Mako or Chernorylai-the predator belongs to one of the most effective deadly weapons. The average length of the fish is 4 m, the speed of movement is phenomenal.
Shark-goblin or brownie (rhino)-this type of fish is called aliens. Sharks have an extraordinary snout, similar to the plaintos. These deepsea individuals grow up to one meter.
Whale shark is a real marine giant with amazing color and grace. The maximum length of the marine resident is 20 m. Pisces of this species do not like cold water and do not pose a threat to humans, although they scare their mass. The main foods of sharks are crayfish and mollusks.
Business Vobbegong is a unique appearance of sharks, not similar to their “brothers”. The fish is perfectly disguised due to the flat shape of the body and many rags with which it is covered. In appearance, it is very difficult to recognize the eyes and fins of the animal.
Short-legged pylos-fish has a gray-blue body with a light belly. A distinctive feature of the animal is a sawn growth, which is a third of the total body length. With the help of a unique gun, a shark hurts its victims.
Pilos-Gnomik is one of the most miniature fish of this species, the length of which is no more than 60 cm.
Southern Iloglot-has a pointed head, a light brown body. Sea resident does not pose a threat to a person.
Heavy Iloglot the holder of a massive body. This type of fish prefers to be at great depths.
Flat sharks or squats this type of fish is very similar to the slopes in the form and lifestyle. Sea resident prefers to hunt at night, while in the afternoon burns out in the silt. Some call sharks sandy devils.
There are a lot of sharks of sharks. A variety of fish is affected by the environment and lifestyle.
Other types of sharks
In addition to the main, wellstudied species of sharks, there are also less wellknown predators, including: lemon, granular, longwinged, reef, cats, kuni, soup, herring, larger, carpentry and polar sharks. There is also a variety of predators called “Akula-Nanka” in sea waters.
Well, of course, a white shark
The largest sharks are a table
|Weight / mass
|one||Whale shark||5.5-10 m (up to 20 m)||19 t (up to 35 t)|
|2||Giant (gigantic) shark||6-8 m (up to 2 m)||5-5.5 tons (up to 9 t)|
|3||White shark||3.5-6.5 m||600-1100 kg (up to 1.9 t)|
|four||Greenland polar shark||2.5-4.8 m (up to 6.4 m)||400-500 kg (up to 1.5 t)|
|5||Pelagic larger shark||up to 5.7 m||–|
|6||Tiger shark||3.25-4.25 m (up to 5 m)||400-600 kg (up to 1.5 t)|
|7||A giant shark-youth||3.5 m (up to 6.1 m)||250 kg (up to 550 kg)|
|eight||Fox shark (sea fox)||3.5-4.9 m (up to 6.1 m)||200-300 kg (up to 500 kg)|
|9||Sixgaming shark||3-4.2 m (up to 5.4 m)||up to 590 kg|
|ten||Shark-Mako||3.2-3.8 m (up to 4.5 m)||60-135 kg (up to 550 kg)|