River fish species names. Fishes of Siberia, inhabitants of taiga rivers
Fish They are common in all types of reservoirs, from marine waters to the smallest ponds, eriks and rivulets. The tropics and eternal ice are also rich in unusual species of fish. In the reservoirs of Russia, aquatic inhabitants are very diverse and distinguished by their beauty. On the territory of the Russian Federation there are more than 120 thousand rivers, about 2,000,000 lakes, 12 seas, 3 oceans, and all of them are habitats fish. Even in fresh Russian reservoirs, over 450 animals have adapted to live. fish species, and many live permanently, while some arrive temporarily until a certain period.
general information
Based on the presence and nature of rays in the fins of most bony fishes, a fin formula is compiled, which is widely used in their description and definition. In this formula, the abbreviated designation of the fin is given in Latin letters: A - anal fin (from the Latin pinna analis), P - pectoral fin (pinna pectoralis), V - ventral fin (pinna ventralis) and D1, D2 - dorsal fins (pinna dorsalis). Roman numerals indicate the numbers of prickly rays, and Arabic numerals indicate the numbers of soft rays.
The gills absorb oxygen from the water and release carbon dioxide, ammonia, urea and other waste products into the water. Bony fish have four gill arches on each side.
Gill rakers are thinnest, longest and most numerous in fish that feed on plankton. In predators, the gill rakers are sparse and sharp. The number of rakers is counted on the first arch, located immediately under the gill cover.
The pharyngeal teeth are located on the pharyngeal bones, behind the fourth branchial arch.
If you ask yourself what is the biggest fish in the world, you may not find an exact answer. After all, sometimes they disagree with the information that fishermen have. If we take into account the general statistics, we can confidently identify the main contenders for this position. It would probably be wrong to classify all the inhabitants of the underwater bottom according to one characteristic, so it is also worth deciding what the largest freshwater fish lives in the world.
The largest fish in the ocean
According to official data, the largest fish living in the ocean depths is the whale shark.
Appearance
What does the largest fish in the world look like? The average size of a whale shark is 9.7 meters. The weight of individuals is 9 tons. Larger specimens are also found; in particular, a case of a whale shark weighing 22 tons and measuring 12.6 meters was recorded.
Externally, the whale shark is very different from representatives of this species. The thick skin in placoid scales on the back is dark gray-brown in color, and on the belly it is gray-white. Her back is painted with a pattern of light stripes and spots, which create a unique individual pattern that does not change throughout life, like a person’s fingerprints.
The huge mouth of a whale shark reaches 1.5 meters in width. There are 300-350 small teeth in the mouth.
Habitat
This large fish lives throughout the world's oceans, but its population varies in different areas. Individuals prefer warm temperate and tropical waters. You can find representatives of the species in Florida and California. It lives in the Indian Ocean and swims to the coast of Africa. Not found in Japan, south of Brazil and northern Australia, does not swim in the Mediterranean Sea.
Whale sharks move in small groups; individuals rarely stay alone. If the habitat is rich in food, then they can form colonies of hundreds of representatives.
Nutrition
Despite its status as the largest fish in the world, the whale shark is not a big game hunter. Her diet consists of:
- krill;
- shrimps;
- small fish;
- jellyfish;
- plankton, etc.
Basically, she eats everything she can suck into her huge mouth.
During feeding, the shark moves very slowly, often positioned almost vertically to the surface of the water. After taking a sip, the fish closes its mouth and lets water through the gill slits. The filtered food enters the stomach, and water exits through the gills. The shark makes about 10-16 gulps per minute. It takes quite a long time for her to get enough – about 7 hours a day.
Reproduction
Whale sharks reach sexual maturity at 30 years of age. Moreover, females become ready to reproduce earlier than males.
This large fish is ovoviviparous. The fry, about half a meter in size, hatch immediately from the shell. The number of babies can reach up to 300 individuals. For the first couple of weeks, they feed on the internal reserves of their body.
The whale shark is a long-liver - its average age is about 80 years.
The ocean is not the only habitat for huge fish. Now we will try to find out what the world's largest fish that lives in fresh water looks like. Based on statistical data, this is the beluga.
Appearance
This fish belongs to the sturgeon family and is listed in the Red Book. Beluga is considered an endangered species as it is hunted for its meat and black caviar.
Externally, it differs from other sturgeons with its large mouth. The fish has flattened antennae growing on its face. Her body is thick, cylindrical, with growths on her back, which are called bugs. Like most freshwater fish, the beluga is dark gray on its back, but its belly is much lighter.
The weight of an adult individual reaches 1500 kg or more, with a total length of about 6 meters.
Habitat
Beluga is not only a freshwater fish, as adult individuals also live in seawater. Only there can a large beluga find enough food. Migratory fish go to spawn in fresh water bodies of rivers, where they enter from the depths of the sea of the Caspian, Black and Azov seas. It also lives in the Adriatic and Mediterranean seas. Fish from the Caspian Sea most often breed in the Volga, Azov fish return to spawn in the Don River, and Black Sea individuals visit the Dnieper, Danube, and Dniester.
Nutrition
Due to its large size, the beluga consumes a lot of food. It is for this purpose that adults go to sea. There, its diet consists of animal food - beluga - a predator. Most often it feeds on herring, sprat, goby and small fish. In addition to fish, beluga can catch ducklings and seal pups (whites).
Reproduction
Like other long-lived fish, belugas become sexually mature at quite an adult age - at 12-14 years old for males, and at 16-18 years old for females. The fish, ready for reproduction, returns from the sea to the river. Migration occurs upstream. One individual can spawn once every few years. For spawning, beluga chooses a rocky bottom at depth. The eggs glued to stones and pebbles are fertilized by males swimming nearby. If for some reason the female fails to lay eggs, they dissolve inside her.
About 90% of the eggs die; after a week, the rest hatch into fry, which behave like predators from birth. Gradually they go downstream to the sea.
By nature, the beluga is destined to live a long life - up to 100 years or more. But rare individuals survive to this age, since the beluga, listed in the Red Book, is continuously hunted.
So, the answer to the question of what is the largest fish in the world is the whale shark. Beluga is rightfully the first among freshwater fish.
On the territory of the former CIS countries there is a huge number of rivers - in Russia alone there are 78 largest of them. The number of species of freshwater fish living in them is more than 60. We will list only the most significant species.
Distinctive features of freshwater fish
Unlike sea fish, freshwater (river) fish are able to live only in a fresh environment with a low degree of mineralization. Suitable habitats for it are running waters, waters of most types of lakes and even some swamps.
Some river fish are predators, but they pose a danger only to the inhabitants of reservoirs - their diet includes small fish or fry. Freshwater predators include burbot, catfish, pike, perch, grayling, etc. Carp, crucian carp, roach, gobies, carp, gudgeons, bream and many other freshwater animals feed on plant foods.
List of fish - names, descriptions, fishing features
Sturgeon (Acipenser)
In Russia they are found in Pecher and the Ob, Amur and Yenisei basins. The body of this royal fish is elongated and resembles a spindle, and the head is small, with an elongated snout. A distinctive feature is the skeleton, consisting only of cartilage tissue, without vertebrae and the complete absence of scales.
The sturgeon, which always stays close to the bottom, does not bite on the fishing rod. It is allowed to catch the Siberian and Russian species only in paid reservoirs using bottom or float gear or a float rod. Sturgeon prefers steamed millet, corn porridge or dough. It also bites on baits of animal origin: fry or pickled herring.
Perch (Perca fluviatilis)
This predatory fish lives throughout Eurasia and northern Russia - it is even found in the Kolyma region. The size of the perch, the number and color of fins may vary depending on the species. A distinctive feature is the shape and structure of the dorsal fin, spiny in the anterior part, pinkish ventral fins, small scales and small stripes throughout the body, which in some species may be barely noticeable.
Although perch hunts during the day, it bites best in the evening or in the early morning hours in cool weather - it does not like heat and hides from it. You can catch it only at depth using maggots, bloodworms, mosquito larvae and traditional dung worms.
Ruff (Gymnocephalus cernuus)
Another fish of the perch family. It is found both in rivers of the Baltic Sea and Trans-Urals and in the north of Russia at depth or near shores with a sandy bottom or gravel. Its food is mainly benthic invertebrates, small animals and plants, but it readily bites on bloodworms, maggots, fish eyes, and dung worms. They catch it with fishing rods with a thin line - up to 0.2 mm in diameter - with a small hook and a small float so that small twitches are more noticeable.
Roach (Rutilus rutilus)
A small schooling fish of the carp family is called chebak in the Urals, and in Baikal, Yenisei, Siberia, the Nenets District, Vologda, Arkhangelsk - sorogo. Subspecies of roach have their own names - for example, roach and ram.
This species differs from the rudd in its larger scales and eye color - they are not blood red, but orange, with a small red spot at the top. The roach's back is dark, with a slight greenish or blue tint. The tail fins are reddish-gray-green, the pectoral fins are yellow, and the ventral fins are red.
Roaches refuse to bite only in the dead of winter and during spawning; during the rest of the year they can be safely caught with a fishing rod. In the summer heat, it is more difficult to catch it; you only need to look for it at depth, but in the fall the bite improves. The best time for fishing is spring, when it approaches the shore in schools. At this time, the roach is fattening up. Active biting occurs both during periods of first ice and during the last ice - at this time it lives at depth or in thickets.
In winter, roaches prefer animal baits; in summer, worms, bread, corn and peas. In spring, she is more timid and picky, and the bait has to be selected experimentally.
Pike family (Esox lucius)
The genus of pike unites 5 species of fish with small scales, a dorsal fin displaced back, a large mouth and an elongated snout. Another characteristic feature is the slightly protruded lower jaw. The activity of pikes varies depending on the season - although they bite all year round, they are more actively looking for food after wintering, in March-April, and from mid-September until frost sets in. It is better to catch it at night, in the morning a couple of hours before sunrise and in the afternoon before sunset.
In early spring, pike are not particularly careful and attack most baits: spinners, twisters, blanks, uralkas, etc. In April it is better to use noise baits, and in May turntables and wobblers with a bright game. In winter they bite mainly on live bait.
Bream (Abramis brama)
The fish from the carp family, which in southern Russia is called chebak and kilyak, has a characteristic tall body, a small head and a mouth ending in a retractable tube. The back of an adult is gray or brown, and the belly is yellow. Between it and the anus there is a scaleless keel.
Bream stay in groups at depths covered with plants. In winter on the Volga they can go to sea. Experienced fishermen know that a good bait for bream is steamed pearl barley, brand, corn or peas. The standard bait – a dung worm – is also suitable. Bloodworms are very effective in the spring – at this time they simply won’t go for other bait. Although a lot depends on the habitat - perhaps it is better to replace it with dragonfly larvae, caddisfly, clepsin leeches, pieces of lard or cut up toothless.
Carp (Cyprinus carpio)
You can find this freshwater fish in the river basins of the Aral, Black and Caspian seas, the Far East, Kamchatka, Amur and rivers flowing into the Pacific Ocean. There is especially a lot of it in the lower reaches. It has a massive head with a short mustache on the upper lip, a thick, slightly elongated body with large scales. The back is slightly darker, and the sides are golden, although their color may vary depending on the habitat. Each of the scales has a darker spot at the base, and along the edges it is outlined by a dark stripe.
Carp are caught using a “running” tackle with a reel and rings. This fish is omnivorous, and due to the lack of a stomach, it feeds without interruption. Both aquatic plants and caviar of frogs and fish, mollusks, insects, worms, leeches, etc. are used. As bait you can use potatoes boiled with a strong-smelling bay leaf and dill, millet, dough, peas and corn, bread, berries. If you have nothing at hand, you can even use the core of a reed. In spring or on clear, fine days, it is better to fish with maggots, worms, wasp and bee larvae, or artificial baits imitating small fish. Active feeding of carp begins from the first days of spring and lasts until the beginning of July. It bites well in August and September. The best time is morning, evening or night.
Carp (Cyprinus)
Carp is a domesticated cultivated subspecies of carp. Thanks to selection, it is distinguished by its large size - larger individuals are found among carp. The head of this species of carp is much smaller. A naked carp may not have scales at all; a mirror carp has them only on the body and near the dorsal fin, but a scaly carp is evenly covered with it, just like a carp.
Carp is the most voracious fish that can grow to enormous sizes. But, if the carp grows only in length, then the carp also increases in width. The gear used for catching carp is also different - it does not need a “running” tackle, but a float rod.
Crucian carp (Carassius)
A common fish of the cyprinid genus. Common (golden) crucian carp is found in the European part of Russia and the CIS countries up to the Lena River basin. In Belarus it is called crucian carp zalaty. Silver crucian carp is found both in Europe and Siberia. Outwardly, both of these species are similar, with the exception of the shade of the scales and the shape of the head - in the golden one it is more rounded, and in the silver it is pointed.
A dung worm, which attracts fish with its rich color, and maggots (they can be used together with a worm) are suitable for fishing at any time of the year. By the way, fishermen often paint fly larvae to make them brighter and more noticeable. In spring and summer, crucian carp becomes more capricious, so it is better to offer it bloodworms, and use it as bait.
Tench (Cyprinidae)
Another fish of the carp family. It differs from crucian carp in having a thicker body, thick skin, small slimy scales, rounded fins and a short tail. At the corners of the small mouth there is a short antennae.
Tench does not like silted reservoirs - the bottom must be hard. If crucian carp comes aground only for spawning, then tench stays near the boundaries of vegetation at depth only during the period of ice melting until May. In summer, it prefers shallows and the thickest grass. Fishermen often even mow it down in order to get to the tench’s habitat.
Strong individuals can easily break telescopic rods - it is better to take a short match rod with a thick line and a short leash. To lift these fish out of the thickets, you need constant movement of the bait so that they notice it. Only after this they cast a fishing rod baited with snails, worms, leeches and insect larvae. Tench are very attracted to red maggots.
Pike-perch (Sander lucioperca)
This large fish with large fang-shaped teeth of the perch family lives in Eastern Europe, the rivers of the Baltic, Azov, Aral, Black and Caspian seas. It is a typical predator and feeds on fish and invertebrates. Since it is sensitive to the oxygen content in water, it lives only in wetlands.
At night it is better to look for it in shallow water or near the surface of the water. During the day it goes deeper under snags and stones. For fishing, bait is used in the form of fish with a narrow body - gobies, bleaks, minnows - these are the species that are their main food.
For millions of years, our planet has been inhabited by a large variety of fish. Their habitat became numerous lakes, rivers, seas and oceans. Since ancient times, both river and sea inhabitants of the underwater kingdom have served as a source of food for people, rich in a huge amount of useful substances, such as various amino acids, protein and various vitamins. Fish farming products are widely used in the production of medicines and nutritional fertilizers for agriculture, as well as raw materials in light industry.
Features of river inhabitants
We all know that fishing on rivers is an exciting and varied activity. Therefore, any fisherman, before starting to equip fishing gear, must accurately answer the question of what kind of fish are found in the river. And, of course, every amateur fisherman should know the physiological characteristics of the object of hunting:
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Depending on the nature of the food taken, river fish can be classified as:
- predatory;
- herbivores;
- omnivores.
River predators
Predatory individuals feed on other fish, some can eat animals or birds. Largemouth species swallow so much prey at one time that it is enough for several days of active life, but smallmouth fish need to hunt constantly, since their prey is small.
The most common predatory river fish in Russian waters. The maximum dimensions of pike reach up to 1.5 m with a weight of up to 30-35 kg, but specimens are known weighing up to 60 kg and longer than human height. The average life expectancy is up to 25 years, although there are individuals with a maximum age of 35 years.
The fish is very strong, tireless and agile thanks to its slippery cylindrical body. It is shaped like an underwater torpedo with a long, flattened head and a huge mouth filled with many sharp teeth.
Pike is so predatory that sometimes it even attacks its own relatives. True, it prefers carp fish for food: crucian carp, bleak, roach, rudd. But he treats spiny species (perch, ruff) with great caution; even if he catches such a fish, he does not immediately swallow it, but holds it in his mouth until it stops moving. During the hunt, it misses very rarely, but if attempts are unsuccessful, it returns to ambush and awaits other prey.
The spotted body color of the pike allows it to camouflage perfectly among the vegetation of the reservoir. In rivers it lives in places that are not very deep, with weak currents and grassy banks.
Pike meat contains little fat and is therefore considered dietary. It contains a lot of protein, which is easily absorbed by the human body.
spiny perch
This predatory fish, like pike, is widespread in the waters of Russia and almost all European countries. It has a laterally compressed body, which has a peculiar hump with dark stripes. The tail fin and eyes are highlighted with an orange tint. The color of the perch depends entirely on the transparency of the water. Individuals living in a dark environment with a muddy bottom have a more saturated color than fish living in light water.
The fish is quite large in size; there is evidence that perch can reach a weight of up to five kilograms and a length of up to half a meter. The average life expectancy is about 17 years.
In terms of extraordinary gluttony and predatory greed, it is not inferior to the pike. Having swallowed one fish, it can immediately continue hunting for another. There are cases when a caught perch had several fry in its stomach. It feeds on any fish of suitable size, and is active both in summer and winter.
Prefers to stay at depth, but not at the very bottom. During a hunt, it easily lunges at prey located in the upper layers of the reservoir.
The largest predator is catfish
This is the largest fish living in rivers. Its body length can reach five meters, and its weight can be over 300 kg. According to scientists, such specimens are 80-100 years old. In most cases, the color is brown with a brownish-green tint, and the belly is white. The color change can be almost light yellow depending on where it lives.
Catfish are considered an active nocturnal predator, which during the day prefers to lie down in snags or holes.
The diet of this large predator is very varied. Easily eats frogs, shellfish or large fish. Sometimes geese, ducks, water rats and other animals and birds can end up in the mouth of a catfish.
The meat of this inhabitant of the river depths contains some bones and fat. It is very nutritious and beneficial for the human body.
A predator reaching a length of up to one meter and a weight of up to 10 kg. Pike perch can be found in the clear water of large rivers and lakes. Life expectancy is up to 15 years. It is a relative of the perch and has the same vertical stripes on both sides.
An adult tries to stay near stones at depth or in holes, but young animals, on the contrary, prefer shallow sections of rivers. At the beginning of life, the fry primarily feed on zooplankton, insect larvae and small fish from other fish.
Pike perch actively hunts for prey, while trying to avoid areas with thickets where it itself can become food for pike. However, his location is very unstable. Where pike perch was caught well the day before, you may not find it the next day.
Among freshwater fish, burbot is the only representative of the cod family. It is sharply distinguished from other fish by its unique body shape. The body is strongly elongated and compressed on the sides, especially in the tail. The head is flattened, similar to a catfish. The back is grayish-green in color and has dark stripes and spots, but the belly is whitish.
Burbot is an insatiable and extremely greedy predator whose diet includes insect larvae, frogs, mollusks and small fish. Sometimes, when an adult is opened, a large number of small perches, minnows or ruffs are found in the stomach. Despite its sluggish and lazy appearance, it swims deftly and quickly. At the same time, it is especially active in winter, when other fish are more sleepy and motionless.
Burbot can reach a length of up to one meter and a weight of up to five kilograms, although there are also specimens weighing up to 24 kg. Life expectancy is quite high - up to 22 years.
There are also smaller predatory fish, such as:
- Bersh is very similar to pike perch, however, it reaches a size of up to 50 cm.
- Chop - found less frequently, in the Danube or Dnieper rivers.
- Ruff is a widespread fish, often called thorn by fishermen, because it has sharp, spiny fins.
Herbivorous fish
This type includes fish that spend most of their time searching for plant food and various river plankton. Various types of algae grow in reservoirs and rivers, especially in warm summers, which are an excellent haven for various mollusks and crustaceans. They are the perfect treat for herbivorous fish.
Common fish - crucian carp
It is the most common fish in almost all reservoirs and rivers of Russia. The fish is quite unpretentious; it prefers shallow sections of the river, warmed by the rays of the sun and overgrown with vegetation of all kinds. Weakly responds to lack of oxygen and water quality in its habitat. In the winter season, crucian carp is capable of freezing into ice and not even dying.
It belongs to the family of carp fish, in appearance it is very similar to carp, but does not have antennae. Weighs approximately 0.5 kg. It feeds mainly on zooplankton, various aquatic plants, worms and larvae.
There are silver and gold carp. It is most active in the warm season.
Carp and its species
It belongs to the family of carp fish and is the most desired prey for fishermen in central Russia. There are individuals of quite large size, weighing up to 10 kg. According to scientists, life expectancy can reach 100 years.
There are the following types of carp:
- mirror;
- scaly;
- naked;
- frame carp and others.
All these representatives differ from each other in the shape of the body, the type of scales and habits. It can feed on bread crumbs, undercooked potatoes or cake.
The fish is very strong, so experienced fishermen often fish for it, using reliable and powerful gear.
Main types of carp
Bream and its use in cooking
This schooling, inconspicuous fish often lives in places with calm currents and muddy bottoms. Life expectancy is up to 20 years, but bream growth is very slow. Only by the age of ten is he able to gain weight up to 4 kg.
It feeds mainly on crustaceans, mollusks, insect larvae, worms and algae. The coloring of bream is predominantly dark silver. Spawns at water temperatures of 13 degrees.
The meat of this fish is characterized by excellent taste. It is consumed boiled, salted, fried, dried or smoked.
Small representative - roach
This fish is found in almost all rivers and lakes. It leads a gregarious lifestyle and prefers to hide from predators in quiet sections of rivers overgrown with grass and algae.
In appearance it is very similar to the rudd. The color of the body depends on the composition of the water in its habitat. The fish is small in size (15-20 cm), but there were also specimens up to half a meter in length and weighing up to two kilograms.
Roach spawns at a temperature of plus ten degrees, and after this period it is particularly active. The best time to catch this fish is considered to be early morning or late evening.
Of course, within the framework of one article, it is very difficult to describe all representatives of the aquatic world. There are also a huge number of species of river fish:
- The rudd is a beautiful fish that looks like a roach.
- The silver bream is a distant relative of the bream, silver in color with reddish fins.
- Carp is considered a freshwater fish, but is also found in the Caspian Sea basin.
- Tench is a royal fish with excellent taste characteristics.
- Chub is a freshwater fish that is found exclusively in rivers with fast currents.
- Bleak is a ubiquitous fish, known to almost every angler.
Other types of river fish
Unfortunately, many river systems are negatively affected by the unfavorable environmental situation, which is caused by various emissions from industrial enterprises and factories. The inhabitants of many rivers and reservoirs become victims of this human attitude towards the environment.
09.09.2013
The ocean isn't the only place where you can find giant fish that might make you want to take your fishing rod on vacation for a long time. Hippopotamus fish can be found hiding in the murky waters of our freshwater rivers and lakes. Although typical freshwater fish are smaller than their brothers in the salt waters of the oceans, some of them can grow to enormous sizes. Getting to know these freshwater giants may make you look at freshwater a little differently. This is the top 10 The largest freshwater fish.
No. 10. Siberian taimen
Also known as chum salmon, Siberian Taimen is a species of large fish belonging to the salmon family. This fish comes in a variety of colors depending on the geographical location, but, as a rule, its head is olive green, gradually turning into a reddish-brown tint on the tail. Some of their fins are dark red, and their bellies are usually white, but can sometimes appear dark gray. Taimen is the largest salmon in the whole world. The weight of the caught fish varies between 15 and 30 kg depending on their age. The largest Siberian salmon reliably reported is reached 104 kg. It was caught on the Kotui River in Russia.
No. 9. Carp
Carp are found throughout the world in many freshwater bodies. Carp can grow to gigantic sizes. It is one of the various species of freshwater fish that belong to the cyprinid family, the largest group that originated in Europe and Asia. The carp-shaped catla (also known as Indian carp) is the largest and reaches a length of 182 centimeters. Next comes the White Amur carp, which has a maximum length of 150 centimeters.
No. 8. Nile perch
Nile perch - ranked eighth in the top 10 largest freshwater fish in the world, is a species of freshwater fish that belongs to the perciformes family. Its homeland is the Nile, Congo, Senegal and Niger rivers (also the basins of other rivers that I did not mention). This bass is silver in color but has a unique blue tint to it. You'll notice its clear black eyes with bright yellow rings on the outer rim. Nile perch is one of the largest freshwater fish in the world, reaching a length in some cases of more than 1.8 meters. The largest of these fish weigh more than 182 kg.
No. 7. Catfish
Catfish feed on the bottom. They are the best when it comes to the bottom of the lake. Some of the largest catfish reached mass over 227 kg. You can find catfish in freshwater environments, usually with running water and colorful rocky bottoms.
No. 6. Paddlefish
It was once believed that paddlefish used their snouts to tear up vegetation at the bottom of rivers and lakes. There was a time when paddlefish were widespread in the river systems of the United States. But due to increased exploitation of water resources, their population has decreased significantly. One of the main reasons for the decline in numbers is the large number of dams we build on our rivers. These dams block their migration routes, which are very important for paddlefish during spawning and healthy growth.
No. 5. Bull shark
You may encounter bull sharks in warm oceans and coastal areas. They can also be found in fresh water streams if they are deep enough. Female bull sharks are larger than males. At birth, they can reach 3 meters in length. Adults average about 2.5 meters in length. Largest registered The bull shark weighed 312 kg . This is one of the largest species of freshwater fish. The bull shark is said to be a super-aggressive species. They often lurk in the shallow waters of beaches and exhibit aggressive behavior.
No. 4. White sturgeon
The White Sturgeon is a freshwater fish species that plays an important role in British Columbia's social heritage and culture. It is the largest sturgeon species in North America, and is also the largest freshwater fish species in North America. A white sturgeon recently caught in British Columbia was almost 4 meters long and weighed almost half a ton . White sturgeon have an extremely long lifespan. Some of them live more than 100 years. This means that they were alive even when British Columbia was not yet part of Canada. The white sturgeon is capable of spawning many times throughout its life. Due to their long lifespan, white sturgeon grow slowly and are not able to reproduce until males reach 14 years of age and females 18.
No. 3. Alligator garfish
The Alligator Garfish is a streamlined fish with a head that at first glance resembles an alligator. The Alligator Garfish is the largest fish of its species. It can grow to over 3 meters in length and weigh more than 136 kg . Despite its aggressive appearance, there are no reports of attacks on people yet.
No. 2. Giant freshwater stingray
This is one of the fish species that can scare you just by its mention. The giant freshwater stingray is one of the largest freshwater fish in the world. weighing from 495 to 590 kg . Unfortunately, the numbers of these fish are rapidly declining due to overfishing and rapid habitat loss. They are in danger of extinction. In Thailand, the giant freshwater stingray is an endangered species. If you try to catch a giant freshwater stingray, it can sink your boat. They are known for burrowing into thick mud when caught in a net.
No. 1. Beluga
The largest freshwater fish in the world , beluga– this representative of the sturgeon family is number one on the list of the largest freshwater fish. Despite the same names, freshwater beluga whales have nothing in common with beluga whales. Beluga whales can grow to monstrous sizes - partly because they can be up to 118 years old, during which time they never stop growing. The largest beluga reached 7.4 meters in length and weighed 1570 kg . The sad fact is that these large individuals are becoming less and less common. This is due to an increase in fishing intensity. Beluga is a species of fish that produces black caviar, considered a delicacy throughout the world. Beluga caviar is scarce and expensive. Due to the fact that the existence of this fish is now in critical condition, beluga caviar is even more expensive than before.
I also suggest you watch an interesting and educational video about huge carp: