There are four types, namely Rouge, Black Spot, Giant Yellow and Red Belly.

Piranha, also known as piranha, is a fish distributed in the Amazon River in South America. It is a type of Piranha. There are nearly 56 species of Piranha, belonging to the subfamily of the Characinidae family. According to their different feeding habits, they can be divided into two types: omnivorous and carnivorous. The carnivorous piranha is officially known as the red-bellied characin (nattereri), also known as Nattereri's characin. The fish is 30 cm long (excluding the tail fin).

It is mainly distributed in rivers from the east of the Andes Mountains to the Brazilian plains. In addition to the Amazon River, the Cuiaba River and the Orinoco River are also its main production areas. It is now in the Amazon River Basin in South America, distributed in Argentina and Brazil.

Piranhas include red-bellied fish, red-diamond fish, black fish, rosy fish, giant yellow croaker, yellow-diamond fish, Baotou fish, golden money fish, red-winged fish, etc.

Nassaurus is also known as red-bellied piranha, red-bellied piranha, and piranha. It is a freshwater fish of the order Characidae, family Characidae, and subfamily Serraticinae. Nassaurus is distributed in the Amazon River Basin in South America in areas with gentle currents and surrounding shallow ponds and lakes. It has a huge output and is popular all over the world because of its reputation as a "piranha". It is one of the most famous fish. It is a famous sport fish and edible fish in its place of origin, and can also be used as an ornamental fish.

According to current scientific research, piranhas are divided into many different subspecies and varieties, among which the more famous ones are the following:

Red-bellied piranha: also known as red-bellied piranha, is the most common type of piranha, mainly distributed in South American countries such as Brazil and Argentina.

Black piranha: is the largest type of piranha, with a body length of more than 50 cm, and has extremely strong aggressiveness and bite force.

White piranha: similar in appearance to red-eyed piranha, but smaller in size, mainly distributed in Peru, Ecuador and other countries.

Serrasalmus altispinis: is a relatively rare piranha, mainly distributed in the Amazon River Basin in Brazil, with strong aggressiveness and bite force.

Golden piranha: It is a small, brightly colored piranha, mainly found in rivers in South America, such as Brazil and Peru.