1, alligator eel
Crocodile eel is very big and aggressive, with sharp teeth and extremely hard scales. It is at the top of the food chain in its waters, and its viscera and eggs are highly toxic. It is open to all food. As long as it is a living thing in the water, it can eat almost everything, has almost no natural enemies, and will attack humans.
2, giant bone tongue fish
The giant tongue fish is super powerful, and its tail is very aggressive, which can easily break human bones. Its teeth are small and fine, and when it preys, it will directly bite the prey's body and swallow it. The life span of this fish is about 15 years, and it reaches maturity in more than 4 years.
3. Amazon catfish
The Amazon catfish is brave and fierce, and its spindle-shaped body makes it swim fast enough in the fast-flowing river. If you meet it in a canoe, it is likely to drag the boat around and drag people off the boat. Amazon catfish can also grow to more than 250 pounds. It eats many fish, so it can be caught with live bait or lump meat bait.
4. Piranha
Piranha, also known as piranha, lives in the Oriroco River and Amazon River basins in South America. Its body length varies, up to 50 cm, its body is thick and fat, its jaws are wide, and its teeth are like razors. They often act in groups and attack other fish and even humans together. They are bloodthirsty, and the smell of blood will make them crazy, and they will bite off large pieces of flesh and blood by constantly twisting their bodies.
5. Six-fin catfish
The six-fingered catfish, also known as the European giant catfish, is a fierce carnivorous fish. It has a large body without scales, and its body is more than 5 meters long and weighs 500 kilograms. It is one of the largest freshwater fish in the world. The six tentacles in the head detect the fluctuation in the water and perceive the prey. The head is wide and flat, the mouth is wide, and the mouth is covered with hundreds of sharp teeth. The strong biting force and aggression when hunting make it difficult for the prey to escape.
6. Salmon
Salmon is a fierce carnivorous fish of Salmonidae and Pacific Salmon. It swims fast and has a strong body. It will kill its prey and attack fishing boats and humans actively, causing serious damage.
7. Hucho taimen
Hucho taimen is widely distributed in the waters of the world, with a slender body, up to 50 kg, and a body length of more than 1 m, but individuals up to 4 meters long and weighing 90 kg have been found. It moves very fast, and its character is very greedy and fierce. It preys on fish and frogs, snakes, rats and birds that live by water.
8. Mekong giant catfish
Giant catfish in Mekong River is a common name of giant toothless owl, which only lives in Mekong River basin. This giant catfish mainly lives at the bottom of rivers, especially at the bottom of rocks and gravel, and sometimes lives in underwater caves.
9. Nile perch
Nile perch is distributed in rivers in the Asian-African continent. Generally, they can grow to more than 2 meters and weigh more than 130 kg. They are fierce and powerful, and can easily break away from the hook. It often kills the fish that live around it, and it can easily attack and counterattack its prey.
10, new guinea bass
New Guinea bass has sharp teeth and great strength, which makes it in a high position in the food chain, and it will take the initiative to attack human ships.