First, the crocodile eel, also known as the ghost rocket, is called the top poisonous fish and pufferfish, ovulatory meat eat a bite of poisoning, the longest can grow to more than 3 meters, very aggressive.
Second, the white sturgeon, as one of the largest freshwater fish in the world, is known as the giant panda in the water.
Third, the Amazon catfish, with its mouth wide enough to swallow a person alive, is aggressive to humans.
Fourth, Nile perch are ferocious predators, often attacking humans, and can grow up to 2 meters.
New Guinean perch, with many tricks and never jumping out of the water, are always lurking underwater waiting for the opportunity to prey.
Six, six-whiskered catfish, eating catfish is not a legend, but a real thing, this big mouth can bite you in one bite.
Arapaima has a powerful brute force, and its tail can easily knock down adult males as a weapon, and break bones to cause a large number of internal injuries.