A fish with teeth similar to the man teeth(Testicle Eating Fish)

Have you ever seen  A fish with teeth similar to the man teeth ? . His name is Pacu. It is commonly seen in the Amazon forest and is often mistaken for piranha fish (killer fish). They are carnivorous and eat both plants and meat. 

Compared to other fishes, their special point is that they have two straight, square teeth that are very similar to human teeth. For easy crushing of nuts and fruits falling into streams..

Also, a rumor about Pacu is that this fish species eats the testicles of swimmers as a favorite snack. Therefore, some call them by the alternate names ("Testicle Eating Fish" and "Ball Cutter Fish").