In total, there are 63 seas on Earth that are part of the World Ocean.
The deepest sea on Earth is Philippine Sea, The Mariana Trench located in it set a record for the depth of the World Ocean - 11022 meters. This sea, in particular the Mariana Trench, attracts the attention of researchers around the world, but high cost scientific work and the need for complex technical equipment become an obstacle for the vast majority of scientists.
coral sea , is one of the deepest seas of the World Ocean, being part of the Pacific Ocean. It is located off the coast of Australia and New Guinea, its depth is 9140 meters.
The attraction of the Coral Sea is the Great Barrier Reef, familiar to almost all inhabitants of the planet.
Caribbean Sea with a maximum depth of 7686 meters, is another deep-sea world record holder. Located in the Atlantic Ocean, the sea has gained international fame thanks to historical processes, associated with the development of medieval piracy in this region. Glorified in numerous books and films, these intrepid adventurers brought not only popularity to the Caribbean, but also global exploration, which was combined with the endless search for fabulous treasures inextricably linked with pirate legends.
The next deepest record holder is sea Gang , also related to the Pacific Ocean. Its greatest depth is 7440 meters. Located between the islands of the Malay Archipelago, the sea has many unexplored areas, which in their depths, of course, cannot be compared with the Mariana Trench, but may well allow them to take third place in the ranking of the deepest seas in the world.
The study of the depths of this sea has been ongoing for 17 years and is carried out by various international organizations, while bringing constant new results of deep measurements.
Maximum depth Arabian Sea is 5803 meters. The sea is located in the Indian Ocean and is limited to the Arabian Peninsula. This region has a rich history and modern economic potential.
6th place 
Tasman Sea , located in the southwestern part of the Pacific Ocean, has a depth of 5200 meters. The sea is the border dividing New Zealand and Australia. Research this water body began in 1770, by the famous navigator and traveler James Cook. He carried out detailed descriptions and measurements of the depths of the Tasman Sea on his first round-the-world expedition.
Beaufort Sea , located in the Arctic Ocean, its maximum depth reaches 4683 meters. Rich oil deposits have led to exploration of the sea depths of this body of water.
The US authorities are actively sponsoring geological exploration work in this region; scientists believe that the sea has a double bottom, under which vast deposits of various minerals are hidden, presumably not only hydrocarbons, but also precious metals.
Bay of Bengal, being part Indian Ocean, in some of its areas reaches a depth of 4694 meters. Washing the shores of four countries, the bay has the longest beach in the world, the length of which exceeds 120 kilometers. Also, the Bay of Bengal is the largest in the world, its area is more than 2.1 million km 2. Thanks to its hydrochemical and hydrological characteristics, it is a sea officially recognized by the International Hydrographic Organization.
Eternal human interest in everything very special in the world - big, small, long, high, deep - is inexhaustible in the search for new interesting facts and unusual records. And if it is not possible to outdo exceptional natural masterpieces, then in the areas of construction and industrial production From generation to generation, people tirelessly strive to establish at least temporary superiority over competitors in height, size and a number of other parameters. The material below contains the most amazing sights of the world, created by nature and human hands.
The largest country in the world
According to a 2015 estimate, its population does not exceed 1,000 people, and almost all are subjects of the Holy See.
The next largest state in terms of territory (other autonomous territories are not taken into account) is Monaco with an area of 2.02 square meters. km and with a population of approximately 38,800 people, according to a 2014 estimate.
The largest city in the world
The largest city in the world in terms of population and at the same time the largest seaport is Shanghai, China. According to 2015 data, this metropolis is home to 24,152,700 people.
The largest urban agglomeration is Tokyo-Yokohama, 37,843,000 people. The population of Tokyo alone is 13,617,445 people (as of 2016).
There is no single assessment of cities by area, since official city limits around the world are formed and indicated in different ways: with or without suburbs. Currently, one of the largest cities in terms of area is Beijing, 16,411 square meters. km (according to other sources - 16,801 sq. km), of which the city itself accounts for approximately 1,368 sq. km. km (and this territory is steadily growing every year due to the suburbs), for the suburbs - about 15,042 sq. km.
The largest and smallest island in the world
The volume of wood was taken as the main criterion for “calculating” the winner with such a vague definition. The volume of the trunk of this sequoiadendron at the time of setting the record was 1487 cubic meters, while the mass of the entire tree is estimated at 1900 tons - “General Sherman” is not only the largest, but also the heaviest living organism on Earth at the present time, if you do not take into account the aspen poplar grove - clonal colony of Pando (about 6000 tons). And this sequoiadendron, whose age is estimated at 2300-2700 years, continues to grow and adds about 1.5 cm in width every year. The measured height of the tree is 83.8 meters, the trunk circumference at the ground is 31.3 meters, and the maximum trunk diameter is 11.1 meters.
However, in terms of diameter, the giant is inferior Mexican Tree Tule in the city of Santa Maria del Tule. According to measurements in 2005, its diameter at the ground is 11.62 meters, its circumference is 36.2 meters. The exact height of the tree is difficult to measure due to its wide crown; according to approximate measurements - about 35.4 meters. Scientists are still arguing about its age and the actual number of trunks, but this did not prevent the Thule Tree from being included in the UNESCO list as a natural monument of international importance back in 2001.
The largest animal in the world
The largest animal on the planet is the blue whale (aka blue whale, vomit). Body length of these marine mammals reaches 33 meters, and weight can exceed 150 tons. Historically, the habitat of this species of cetacean was the entire World Ocean, but now their populations are scattered. Blue whales are found throughout the year in the equatorial waters of the Indian Ocean and can be seen from the coasts of Sri Lanka, the Maldives and the Seychelles.
The most big whale The only whale ever caught by humans is a female blue whale, caught in 1926 in the waters of the South Shetland Islands. The length of its body from the fork of the caudal fin to the end of the snout is 33.27 meters, weight is 176.792 tons.
The largest animal on land is the savannah elephant (a species of African elephant). As a rule, males weigh on average 7 tons, females - about 5 tons. With a body length of about 6-7.5 meters, the height of the elephant at the shoulders is close to 3-3.8 meters. The recorded weight of the largest savannah elephant was 12.24 tons. The animal was shot in 1974 in the village of Mucusso (Angola). Tourists can see savannah elephants in Africa in national parks and reserves.
The fastest animal in the world
The cheetah is the fastest land mammal. According to various sources, these predators can accelerate in 3 seconds to a speed of 96.6 - 112 km/h. National Geographic magazine named the most fast cheetah a female named Sarah (also Sahara): she ran 100 meters in 5.95 seconds. The sprint run of cheetahs for prey lasts no more than 20 seconds and is limited to a distance of 400 meters.
Moreover, among all the animals in the world, cheetahs occupy only 13th place in speed. The championship belongs to the birds. And the fastest bird and generally the fastest representative of the animal kingdom is the peregrine falcon, which in a diving flight reaches a speed of 322 km/h, the record recorded by researchers is 389 km/h. However, in horizontal flight the peregrine falcon is inferior to the Brazilian folded lip (species bats and most fast mammal) with its speed exceeding 160-200 km/h and swifts (species - black, needle-tailed), capable of maximum acceleration up to 169 km/h.
Among fish, black marlin stands out for its speed: on average, these large oceanic fish are capable of cutting through water at a speed of 85 km/h, the maximum established speed of a representative of the species is 129 km/h.
Of the insects, horseflies fly the fastest - on average 60 km/h, maximum - 90 km/h.
Some representatives of the reptile class can reach speeds of up to 35-40 km/h, but no more. These include bearded dragons, green iguanas, and in the water, leatherback turtles.
The biggest fish in the world
The largest fish of our time is the whale shark, which is harmless to humans and lives in warm waters tropics. It feeds mainly on plankton, and its average length varies between 10 and 12 meters, although such specimens are extremely rare for fishermen.
The second largest species is the basking shark (giant shark). Like the whale shark, this shark feeds on small organisms - plankton. On average, adult individuals reach 6-8 meters, and only a few sharks grow to 9-12 meters.
Beluga is the largest freshwater fish, is part of the sturgeon family. This species is listed in the Red Book. Largest fish, caught in the Caspian Sea and at the mouth of the Volga, were more than 4 meters in length and weighed about 1.5 tons.
The largest shark in the world
The size and weight of the largest sharks have been debated for decades. Currently, the existence of exceptional specimens of whale sharks over 20 meters in length is allowed. In particular, information that inspires the confidence of researchers includes reports of a shark 20 meters long and weighing 34 tons, caught near Taiwan in 1997, and a shark 17.5 meters long and weighing 15 tons, caught in the Arabian Sea off the coast of the city of Veraval, India.
The last report of a very large whale shark was on February 7, 2012. Then Pakistani fishermen caught a dead shark near Karachi, 11 to 12 meters long and weighing about 15 tons.
The largest shark that has ever existed is considered to be the megalodon - an extinct species, the size of whose representatives can be judged by paleontological finds: the average length is about 15 meters, while megalodons were predators.
The largest snake in the world
The largest snakes on the planet are representatives of constrictors and pythons, namely the green anaconda and reticulated python.
The heaviest snake in the world is the common or green anaconda, and the name “water boa” also refers to it. National Geographic indicates that the largest female anacondas can grow up to 8.8 meters and weigh more than 227 kg. However, at the moment this indicator remains only a theoretical estimate. There have now been a lot of reports about giant anacondas, but most of them do not have any material evidence and are classified as legends. The largest recorded specimen of anaconda in captivity was kept at the Pittsburgh Zoo. The snake grew to 6.27 meters, and was weighed at a length of 5.94 meters - 91 kg.
The longest snake, the reticulated python, originally from Asia, grows up to 1.5 - 6.5 meters in nature. The largest measured representative of the species was 6.95 meters long and weighed 59 kg, but had not eaten for almost 3 months before the measurement. Pythons, like anacondas, have a lot of unconfirmed evidence, including a length of more than 8 meters.
The largest spider in the world
The world's largest spider is the goliath tarantula of the genus Tarantula, in Latin - Theraphosa blondi. The specimen described in the Guinness Book of Records was discovered by members of Pablo San Martin's expedition in tropical forests Venezuela in 1965. The leg span of the goliath tarantula was 28 cm. In 1998, the same size was recorded in a two-year-old spider raised in captivity, and it weighed 170 grams.
Some species of the family Sparassidae grow with a leg span of about 25 cm or more; their sonorous and often used name is giant crab spiders.
Most large spiders in Russia - the South Russian tarantula and several species of crosses. Basically, the size of the largest individuals does not exceed 2.5-3 cm.
The biggest dog in the world
The title of the tallest dog in the world with a mention and photographs in the Book of Records belongs to Zeus, a Great Dane (aka Great Dane), a favorite of the Durlag family from Otsego, Michigan, USA. The height of Zeus is 111.8 cm, the dog weighs more than 70 kg. If Zeus stands on his hind legs, his “height” will be 224 cm. The record was set on October 4, 2011. At the same time, Zeus is not much taller than the previous record holders - Giant George (109.2 cm) and Titan (107.3 cm), which, by the way, are the same breed - Great Dane.
The English mastiff Zorba was named the heaviest dog back in 1987: a six-year-old dog weighed 142.7 kg. Two years later, when weighed again, he was even heavier: 155.6 kg with a height of 94 cm.
According to the Guinness Book of Records, the largest dog that ever existed lived on Earth approximately 15.3 million years ago, during the late Miocene era. Average weight this ancient wild dog estimated at 170 kg.
The biggest cat in the world
The longest living pet cat is Maine Coon Ludo, a favorite of Kelsey Gill from Wakefield, UK. The cat was measured for the Guinness Book of Records on October 6, 2015. As expected, measurements were taken three times, and then the average length was calculated - 118.33 cm. At the time of measurement, the pet was 17 months old and weighed 11 kg. Now several active pages on social networks are devoted to news from his life.
The record of Ludo's famous predecessor, also a Maine Coon, the cat Stewie, is 123 cm, he was named the domestic cat with the longest tail. He died in 2013 at the age of 8.
Officially the largest living cat in the world - liger Hercules(a hybrid of a lion and a tigress). He was born in 2002 at the Institute of Endangered and Rare Species in Miami, at the time of the last measurements at the age of 11 years, he weighed 418.2 kg, was 3.33 meters long and 125 cm high at the withers. Hercules is active and does not suffer from obesity.
Tallest man in the world
The height recorded in the Guinness Book of tall man in history, the American Robert Pershing Wadlow is 272 cm. With this height, he weighed 199 kg. The giant was diagnosed with a pituitary tumor and acromegaly, so he grew rapidly from the age of four until his death at the age of 22 in 1940.
The second tallest man in the entire history of observation is John Rogan, whom contemporary newspapers dubbed him the “Negro giant.” However, already in adolescence Due to his growth, he began to develop ankylosis - immobility of the joints. His exact weight was measured only posthumously, in 1905 at the age of 40, and was 267 cm with a weight of only 79 kg.
The tallest living person is Turkish farmer Sultan Kösen, born in 1982, whose height is 251 cm. Gigantism in his case is also caused by a tumor of the pituitary gland, but as a result of treatment, doctors managed to slow down the man’s further growth.
Currently, the history of medicine knows of 17 people who have reached a height of more than 244 cm.
Fastest man in the world
Usain Bolt
Kai Pfaffenbach / Reuters / Scanpix / LETA
The fame of Usain Bolt, a Jamaican runner, has been thundering since the 2008 Beijing Olympics, and now the athlete already has 9 gold medals with Olympic Games and 11 from the World Championships. The athlete, nicknamed "Lightning Bolt" - literally "Lightning Bolt"), set 8 records.
The fastest man achieved his first world speed record in 2008 at the age of 22 - 100 meters in 9.72 seconds. In 2009, he improved his 100-meter mark to 9.58 seconds. His world record for 200 meters is 19.19 seconds.
Tallest building in the world
The tallest building and structure ever built by mankind is the Burj Khalifa skyscraper in Dubai, also known as the Dubai Tower.
The grandiose eastern skyscraper, shaped like a futuristic center or stalagmite, rises 828 meters from the ground, includes 163 floors and a sharp spire directed upward. The grand opening of the skyscraper, which thundered throughout the world, took place in 2010, on January 4, then the ceremony included a light show and fireworks, and was broadcast online.
The Dubai skyscraper was built with a large margin, because the earlier (and also not yet overcome by the third high-rise) record corresponded to the Warsaw radio mast (646.38 meters), which fell in 1991.
The most tall building in Russia and Europe - Federation Tower (about 374 meters) as part of the Moscow City complex, followed by two more skyscrapers of the same complex - OKO (South Tower, 354 meters) and Mercury City (339 meters). The fourth tallest building in Europe after the Moscow towers remains the pyramidal London skyscraper The Shard (309 meters), which opened for tourists in 2013.
The unspoken international competition to build super-skyscrapers continues, and perhaps very soon we will learn about taking a new height.
Tallest tower in the world
Among the already built television towers, the leading one is the Tokyo Skytree, 634 meters high, rising in the Sumida special area. It is also the second tallest building in the world after the Burj Khalifa. The tower was built by February 29, 2012 as part of the program for the complete transition of Japanese television to digital format, since the height of the Tokyo Tower (332.6 meters) was insufficient for this task. The observation decks on the Tokyo Skytree are located on several levels, the highest being at 451 meters.
The Guangzhou TV Tower is 34 meters lower than the Tokyo Sky Tree, but from its highest observation deck you can see a panorama of the metropolis from a height of 488 meters.
In the Western Hemisphere, high-rise superiority remains with the famous CN Tower in Toronto, Canada, built back in 1976. Its height is 553.3 meters, and the observation deck at 447 meters welcomes more than 2 million people annually. By the way, the Ostankino Tower in Moscow is only 13 meters lower than the Canadian CN Tower, and it has the 4th place in the world.
The longest bridge in the world
The three longest bridges are railway ones, all of which are located in China.
The maximum length is at the Danyang-Kunshan Viaduct (164.8 km), commissioned at the end of June 2011. The bridge is part of the Beijing-Shanghai High Speed Railway, and approximately 9 km of the bridge passes over the water surface. The largest body of water crossed by the Danyang-Kunshan Viaduct is Lake Yangcheng. The other two operating railway bridges out of the top three record lengths - the Tianjin Viaduct (113.7 km) and the Wei Bridge (79.732 km) - are two to three times longer than the largest of comparable structures in other countries.
The longest sea girder bridge is laid along the route Hong Kong - Zhuhai - Macau. The second longest girder bridge, the Qingdao Bridge, is also located in China.
The longest bridge-type above-ground structure currently remains the Bang Na Highway in Bangkok, which opened in 2000 and is 54 km long.
The largest plane in the world
Air giants make the dreams of many travelers come true when they travel to new countries and even to other continents.
Passengers who frequently fly internationally have the chance to see the largest production airliner, the Airbus A380, which is operated by several leading airlines. The wingspan of the airliner is 79.75 meters, length - 72.75 meters, width - 24.08 meters. The capacity of this double-deck passenger aircraft is 853 passengers or 525 passengers in a three-class configuration.
The status of the largest and heaviest aircraft in the world is held by the only copy of the An-225 Mriya, which was put into operation in 1988. The board is used for cargo transportation and has already managed to break over a hundred records, including transporting the heaviest monocargo in the history of aviation weighing 187.6 tons, while the maximum carrying capacity it achieved was much larger - 253.8 tons.
The largest ship in the world
The infamous Titanic, which amazed the whole world with its size at the beginning of the 20th century, can hardly be compared with new cruise ships these days. The Titanic, launched in 1912, was 269.1 meters long and 28.19 meters wide. At that time, these figures were record-breaking.
Currently, the leader in the race of size of cruise giants is the ship Harmony of the Seas, with a length of 362 meters and a passenger capacity of 5479 / 6500 people, which was put into operation relatively recently - in the summer of 2015. It is noteworthy that Harmony of the Seas is the third vessel of the Oasis class and is only two meters longer than its predecessors - the twin ships Oasis of the Seas of 2008 and Allure of the Seas of 2010.
The largest floating facility currently is the Korean floating liquefied natural gas plant Prelude FLNG, which is currently under construction but has already been launched. The 488-meter-long factory ship is reminiscent of other smaller industrial ships in its appearance.
The fastest train in the world
A new world train speed record was achieved relatively recently - in April 2015. The Japanese L0 Series magnetic levitation train (maglev train) reached a speed of 603 km/h on the Shinkansen high-speed railway.
Since 2007, the championship among rail trains has been held by the French TGV POS train, which reached a speed of 574.8 km/h. Now trains of this series serve regular routes in France and Europe, without exceeding the design speed of 320 km/h.
In constant operation, the Shanghai Maglev train maintains the highest speed - 430 km/h, but only on a number of routes (on others - 300 km/h) and at a distance of 30 km.
The largest metro in the world
When comparing the world's largest metros, it is customary to highlight several records: this is the deepest and longest metro, the leading subways in terms of the number of stations and the number of passengers per year.
The longest metro (in terms of the total length of completed lines) is Shanghai; the total length of the underground transport network is 588 km, and this is not the limit - the expansion of the subway is planned in stages for several decades to come.
The New York subway has the most stations and routes. This subway includes 472 stations (or 425 unique transfer hubs) on 36 lines.
The busiest metro (based on maximum daily load) is in Beijing, its daily load is an average of 9.998 million people, its peak is more than 12.69 million people, the annual figure is 3,660 million passengers. At the same time, the consistently expanding network of the Beijing Metro maintains its position as the second longest - 574 km.
The next largest daily load is the Moscow Metro: at the end of 2015, the volume of traffic reached 2384.5 million people per year or 6.533 million per day, the peak load was recorded on December 9, 2014 - 9.5 million people.
The undisputed leader in annual passenger traffic is the Tokyo Metro (3,334 million). And Seoul ranks third and is behind Beijing - according to the latest official data, it serves 2,619 million people annually.
The depth record belongs to the Arsenalnaya station of the Kyiv metro: it is located 105.5 meters underground. Sometimes there are attempts to “calculate” the deepest metro in the world based on the average occupancy rate of all its stations, but the clear champion for this indicator has not yet been precisely determined.
The longest car in the world
The car, recorded in the Guinness Book, was assembled according to the design of Jay Orberg, a Hollywood collector, designer and creator of unique cars. It was the 100-foot (about 30.5 meters) limousine that brought Orberg worldwide fame.
The car is placed on 26 wheels and the inside can hardly resemble the interior of a classic car. It has a swimming pool with a diving board and a double water bed; In addition, there are about a dozen sleeping places, satellite TV, a sunbathing area and other amenities. For safe driving of this, essentially an exhibition model, a second driver’s cabin is provided.
The fastest car in the world
The land speed record, set in 1997, is amazing: it is the world's first officially confirmed breaking of the sound barrier. In a Thrust SSC with turbofan engines, Briton Andy Green reached a speed of 1227.985 km/h. Speed measurements were taken in the Black Rock Desert, USA.
The Guinness Book of Records stipulates that the first attempt to break the sound barrier was claimed by a race in a Budweiser Rocket Car in 1979 at the American Edwards Air Force Base, but this experience was not officially sanctioned by the USAF, and its results were never counted.
The fastest production car is the Hennessey Venom GT. The acceleration record - up to 300 km/h in 13.63 seconds was set on this car on January 21, 2013. In addition, the car showed the best result in average acceleration to 200 mph, its figure was 14.51 seconds. The maximum speed achieved by this car is 435.31 km/h.
The world's oceans are the most amazing and least studied object on our planet. How many mysteries it contains, and how many discoveries remain to be made by people studying the deepest seas and oceans on our planet.
The deepest seas in the world
The Pacific Ocean has broken all records for depth and is home to four of the six deepest seas in the world. If you line up the seas by depth, both by height, in meters and kilometers, then their leaders are: the Philippine Sea and the Coral Sea, followed by the Banda Sea, the Caribbean Sea, the Weddell Sea and the Tasman Sea. 
In first place is the Philippine Sea. It is located in the Pacific Ocean, near the Philippine archipelago. It is to this sea that the deepest oceanic trench is attributed - the Mariana Trench, thus the greatest depth of the Philippine Sea is 11022 meters. Even the average depth of this sea is more than 4 km, while the depth of the Sea of Azov, for example, does not exceed 14 meters.
There are volcanoes at the bottom of the Philippine Sea. Due to the enormous depth sea creatures Here, mainly those found in surface and coastal waters have not been fully studied. It is known that sea turtles, dolphins, swordfish, and various shellfish live in the Philippine Sea. In addition, there are a lot of sharks that are dangerous to humans, including tiger and gray shark. But the large deep-sea inhabitants of the Mariana Trench are definitely predators, and what kind of ones at that! Most of all they look like monsters with many teeth and huge jaws. Not everyone has eyes deep sea fish, and if there are, then they are not at all similar to those familiar to us, because at the bottom of the depression there is complete darkness. But many have very developed organs that detect sounds. There are also simple organisms there that have existed for billions of years.
The second place is occupied by the Coral Sea, with a depth of 9140 meters, one of the most beautiful seas in the world. This sea is also located in the Pacific Ocean, off the coast of New Guinea and Australia. The Coral Sea is characterized by large number islands, and of course, many coral reefs. The most famous of them is the Great Barrier Reef. Among the inhabitants of the Coral Sea - starfish, hedgehogs and turtles, flying fish, a lot various types shrimp, crustaceans and crabs.
Third place rightfully belongs to the not very large, but very deep (up to 7440 meters) Banda Sea. It is located off the coast of Indonesia, and also belongs to the Pacific Ocean. It is a volcanic zone and the islands in the Banda Sea are of volcanic origin. This sea is home to dolphins, squids, jellyfish, octopuses, nautiluses, sharks, stingrays, and even sea snakes.
The Caribbean Sea is in fourth place in the depth rankings. It is located in the Atlantic Ocean between South and Central America. The depth of this sea is 7090 meters, and among the depressions and rises at the bottom lie sunken frigates and galleons. The search for sunken treasure continues to this day, and many countries dispute the ownership of these treasures.
How deep is the Black Sea?
The Black Sea is not the deepest sea in the world, but among the inland seas of our country it ranks first - its greatest depth is 2258 meters. Compared to the Sea of Azov, whose depth is only about 14 meters, or the Baltic (500 meters is the longest distance to the bottom), the Black Sea is very deep. It also differs from other seas in our country in that part of its shores are mountains (the Caucasus, the southern coast of Crimea), which go into the water at a steep angle. Because of this, the bottom slope in these places is greater. But there is also shallow water - this is the northwestern part of the Black Sea. 
The deepest sea in Russia
Russia is a huge country, and its shores are washed by many seas, but most of them are in the North and East of the country. But the seas of the Arctic Ocean do not have the same depth and size as the seas of the Pacific Ocean, located off the eastern coast of our country. This is explained by the structure of the earth's crust in those places. Three seas are located in the Pacific Ocean in eastern Russia: the Sea of Japan, the Sea of Okhotsk and the most northern of them - the Bering Sea. They are separated from the ocean itself by islands (Kuril, Japanese and Aleutian). 
Next come the ocean depressions, including one of the deepest in the world - the Kuril-Kamchatka depression with a depth of 9717 meters. If we arrange these seas in order of decreasing depth, we get the following: the leader will be the Bering Sea with a maximum depth of 4151 meters. Then comes the Sea of Okhotsk, its depth is 3916 meters. And in last place will be the Sea of Japan, since it, although slightly, is inferior to the Okhotsk Sea, its maximum depth is only 3742 meters. As you can see, the deepest Russian sea - the Bering Sea - is far behind world leaders.
However, this is not all the most interesting things that can be said about the deepest sea in Russia..
Which sea is the deepest in the world?
There is no clear answer to this question, because depth can be assessed in different ways. Usually they still take the maximum depth for comparison, but you can also consider the average depth of the sea. Or the depth of most of the sea. True, no matter how deep the sea is, it still cannot be compared with the ocean depressions. The greatest depth was measured in Mariana Trench- 11022 meters. 
It is essentially a deep-sea trench, and the name of the depression is given after the Mariana Islands located nearby. And, since the Mariana Trench is now classified as part of the Philippine Sea, it has become the leader in depth among all the seas on the planet. True, even without this depression, the Philippine Sea is the deepest in the world; the maximum distance to the bottom, according to some sources, is 10,265 meters.
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Seas are amazing objects on our planet. Their expanses are little studied, but even the available data is enough to admire the depths, latitudes and underwater world.
It is difficult to say unequivocally how many amazing treasures have been lost at the bottom of the seas, how many amazing discoveries have not yet been made by scientists, how many secrets the sources of diverse underwater and flora. However, we can build on the available data to make a rating of the deepest seas, respectively the most interesting and mysterious places on Earth.
The largest closed body of water on Earth, which can be classified as the largest endorheic lake, or as a full-fledged sea, due to its size, as well as due to the fact that its bed is composed of oceanic-type crust.
Located at the junction of Europe and Asia. The water in the Caspian Sea is brackish, from 0.05 ‰ near the mouth of the Volga to 11-13 ‰ in the southeast. The water level is subject to fluctuations, according to 2009 data it was 27.16 m below sea level. The area of the Caspian Sea is currently approximately 371,000 km², the maximum depth is 1025 m.
Black Sea – 2,210 meters
Inland sea of the Atlantic Ocean basin. The Bosphorus Strait connects with the Sea of Marmara, then, through the Dardanelles Strait, with the Aegean and Mediterranean seas. Kerch Strait connects to the Sea of Azov. From the north, the Crimean Peninsula cuts deep into the sea. The water border between Europe and Asia runs along the surface of the Black Sea.
Bering Sea – 4,151 m
The sea in the north Pacific Ocean, separated from it by the Aleutian and Commander Islands; The Bering Strait connects it to the Chukchi Sea and the Arctic Ocean. The Bering Sea washes the shores of Russia and the United States.
Mediterranean Sea - 5,121 m
The intercontinental sea, in origin, is a deep-sea pseudo-abyssal intra-shelf depression connected in the west with the Atlantic Ocean by the Strait of Gibraltar.
The sea in the western Pacific Ocean, between the islands of the Malay Archipelago. Area - 714 thousand km², length from north to south 500 km, from east to west - 1000 km; depth - up to 7440 m; coral reefs; port of Ambon. Bounded by the islands of Buru and Seram in the north, Timor in the southwest, Tanimbar and Aru in the east, and includes the Banda archipelago.
A unique spring of rich underwater world is located off the coast of Indonesia. Another sea that is part of the Pacific Ocean. We are talking about a volcanic zone, as well as an island of volcanic origin. Speaking about the underwater world, the following inhabitants should be highlighted:
- rare dolphins;
- jellyfish;
- various nautiluses;
- sea octopuses;
- squid;
- large stingrays and amazing sea snakes.
Naturally, the most unique species live at the very bottom.
Caribbean Sea – 7,686 m
The marginal semi-enclosed sea of the Atlantic Ocean basin is limited to the west and south by Central and South America, and to the north and east by the Greater and Lesser Antilles. In the northwest it is connected to the Gulf of Mexico through the Yucatan Strait, and in the southwest it is connected to the Pacific Ocean through the artificial Panama Canal.
The maximum depth recorded to date is 7,686 meters. At the same time, there are many frigates and galleons in the Caribbean Sea. Consequently, there are a huge number of such invariances, as well as rises. This place is a favorite among pirates and adventure lovers. A huge number of people every year try to discover the treasures that this amazing body of water undoubtedly stores in its depths.
Coral Sea – 9,140 m
The Pacific Ocean, which lies between the coasts of Australia, New Guinea, and New Caledonia. Surface area – 4,791 thousand km². Maximum depth 9,140 meters. It has numerous coral reefs and islands, such as Willis, Tregross, Bampton, and Chesterfield islands.
Philippine Sea – 10,265 m
Oceanic interisland sea of the Pacific Ocean, located near the Philippine archipelago. The second largest sea on Earth. It does not have clear land boundaries and is separated from the ocean by groups of islands: the Japanese, Taiwan and Philippine islands in the west, underwater ridges and the islands of Izu, Ogasawara, Kazan and Mariana in the east, Yap and Palau in the southeast.
It covers an area of 5,726 thousand km 2, and covers one of the deepest places on Earth - the Philippine Trench, whose depth reaches 10,265 m. Average depth 4,108 m.
It is also located in the Pacific Ocean, from which we can draw a reasonable conclusion - the deepest sea bodies of water are located in the Pacific Ocean.
Mariana Trench – 10,994 m
An oceanic deep-sea trench in the western Pacific Ocean, the deepest known on Earth. Named after the nearby Mariana Islands. The deepest point of the Mariana Trench is the Challenger Deep.
It can be said that the deepest place is the Mariana Trench of all those recorded to date.
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Have you ever wondered where the deepest sea in the world is? What are its features? Who lives there? No? Would you like to?
Answers to all these questions can be obtained by reading the materials in this article.
Section 1. What is the sea?
Before we talk about the deepest sea in the world, we suggest defining the concept itself. So, by sea we mean a part of the world's oceans, separated by land or elevated underwater reliefs.
In general, it should be noted that the seas differ from the world ocean in climatic, meteorological and hydrological regimes. This is due to the fact that they are, as a rule, located at the edges of the oceans, and due to limited communication with the open part of the water, they are characterized by a slowdown in water exchange.
And the definition from a geography textbook states that the sea should be understood as a huge amount of salt water, which is connected to the water shell of the Earth, or a large salt lake, completely isolated from the world ocean and having no exit.
The seas, of course, differ from each other in their flora and fauna.
Section 2. Philippine Sea
Now, perhaps, any schoolchild can name the deepest sea on Earth. This is Philippine, which is located between the islands in the western Pacific Ocean. Thanks to warm currents, the water here has average temperature 25 o C, and its salinity in some places reaches 35.1%.
The greatest depth was recorded in or in the so-called Mariana Trench. Probably everyone has heard about this point on the map at least once in their life. And directors of modern cinema often populate it with unprecedented monsters, strange fish, and shroud it in mysticism and riddles.
The depth of this trench is 11,022 m. But these data are approximate. Some scientists insist that in fact the figure may be much higher, it’s just that humanity is not yet technically ready to measure such lengths.
Meanwhile, the deepest sea in the world has more than seven thousand very picturesque islands with rich flora and fauna.
Among its advantages one can also highlight the unique Pangaskhan waterfalls, lakes, volcanoes, caves and a rich underwater world represented by whales, turtles, sharks, dolphins, huge stingrays, Japanese eels, etc.
Section 3. Coral Sea
If we talk about what is the deepest sea in Southern Hemisphere, then one cannot fail to mention Coral. It is located in the tropics of the Pacific Ocean and covers an area of more than 5 million square meters. km. Some depressions discovered by scientists in its abyss reach a depth of 9000 m.
Geographically, it stretches from the coast of Australia to the Solomon Islands, the islands of New Guinea and the New Hebrides, and in the northwest it opens into the Indian Ocean.
The sea water is well warmed almost all year round. The average monthly temperature ranges from +20 o C to +28 o C.
The name of the Coral Sea is far from accidental. Due to the abundance of coral colonies, reefs, atolls, and islands of fossilized coral polyps, it received this name.
By the way, we should not forget that in this part of the world’s oceans there is the largest coral structure on the planet - the Great Barrier Reef. Today its width is from 60 to 80 km, and it stretches parallel to the coast of Australia at a distance of 30-60 km from the coast of more than 2000 km. Scientists say that this is far from the limit, because from year to year the reef is only becoming larger.
In addition to various types of corals, sharks and crabs, many representatives of the underwater world live here: sea anemones, stars, cows, urchins, flying fish, sea cucumbers, huge sea turtles, tridacniformes, poisonous stone fish, prilipial fish, pterois, etc.
Section 4. Tasman Sea
Between the shores of the island of New Zealand and Australia, in the south Pacific Ocean, there is another deepest sea in the world - Tasmanovo.
Its area is 3340 square meters. km and resembles a rhombus shape. In some places its depth reaches a colossal figure of 6000 m. It is difficult to even imagine that this is exactly the distance that an airplane flying, for example, from Moscow to Khabarovsk is forced to cover.
The climate in different parts of the sea differs significantly. Why is this happening? The thing is that it geographically lies in different climatic zones.
The surface of the sea water in the north warms up to +27 o C, in the south - in summer only to +15 o C, and in winter it drops to +9 o C. It should be noted that the variety of inhabitants of the Tasman Sea is very similar to the variety of species of the Coral Sea.
The underwater world consists of corals, sharks, atolls, sperm whales, whales, killer whales, tuna, mackerel and many other sea creatures.
Section 5. Sea Banda
In the western Pacific Ocean is the Banda Sea, which is connected by straits to other parts of the world's oceans.
Its area is 714 thousand km 2. In principle, this sea is considered deep-sea with a maximum depth of 7440 m, although the average is 2737 m, i.e., almost the same as the deepest sea washing Russia, the Bering Sea.
Scientists have found that there are 6 basins in Banda, going deeper to a distance of more than 4000 m. All of them are separated by ridges and rapids.
Another characteristic feature could be that the sea is located in an area of active volcanic activity, so most of the islands are of volcanic origin.
The Banda Sea has a diverse flora and rich fauna, represented by many fish of different sizes, colors and shapes. Marine living organisms mainly live in the coastal shallow water zone.
Among the representatives of the underwater world there are different types bottom and reef sharks, stingrays, moray eels, corals, brittle stars, sea anemones, sea snakes, urchins, stars, etc.
Section 6. Caribbean Sea
In the western Atlantic Ocean, near the equator, is the Caribbean Sea with many islands, sandy beaches, pure water, tropical climate, rich underwater world and picturesque places.
It is unlikely that any of the modern travelers realize that when they go here on vacation, they simultaneously get the opportunity to visit one of the deepest seas on the planet.
Sea water practically does not change throughout the year and ranges from +23 o C to +28 o C.
About 500 species of different fish live here, among which are moray eels, several rare species of sharks, dolphins, sperm whales, and whales.
Section 7. The Bering Sea is the deepest sea in Russia
The Bering Sea is one of the most biologically productive and diverse ecosystems in the world.
It is located between Russia and Alaska and rightfully bears the title “The Deepest Arctic Sea.”
Its area is approximately one thousand km2.
In general, the sea consists of arctic and subarctic waters. Surprisingly, it is very rich in its living organisms. True, of course, by those who can physiologically live at such low temperatures.
Experts note that there are all conditions for the existence of more than 450 species of fish, mollusks, crustaceans, whales, dolphins, walruses, seals, polar bears, more than 200 species of birds from all continents and 26 species of marine mammals.
The Bering Sea is one of the largest semi-enclosed bodies of water, bounded by the coasts of two continents, which is considered the northern extension of the Pacific Ocean.