1, alligator eel
Crocodile eel can grow up to 3 meters in length. This kind of fish belongs to large fierce fish, mainly living in fresh water, and occasionally entering salty fresh water. Its eggs are poisonous, and the internal organs of the fish are also highly toxic. At present, there is this kind of fish in China, which is extremely harmful.
2. silurus glanis
Silurus glanis's body is very long and has no scales. They have a horrible mouth, which is covered with rows of teeth like sandpaper. There are hundreds of them, and their body length can grow to 5 meters. This fish is very aggressive and has a very rough personality.
3, giant bone tongue fish
As an adult, gigantosaurus can reach 2-6 meters in length and 0/00 kg in weight. They are very huge. They are one of the largest freshwater fish in the world and have strong brute force. Attacking with their tails can easily break adult bones and cause internal injuries.
4. Black piranha
Black piranha has the bite force of Tyrannosaurus rex, and its adult body length is about 30 to 42 cm. It is aggressive and is a representative species of water tiger. It is loved by many people because of its blood-red eyes and oppressive body shape.
5. Great white shark
Great white sharks are one of the most ferocious sharks. They are very good at swimming, and their cruising speed is about 3.2 kilometers per hour. There have been records of attacking ships and attacking humans. In order to prevent their harm, a "Shark Prevention Committee" was established.