I think they are. If they live in the area in which they came from, then yes.
Fishtank piranhas are NOT indigenous
yes
Depending on the species of shark and the number of piranhas, supposedly piranhas could be more dangerous. What makes piranhas so dangerous is the fact that they swim in schools of 100 strong. Even so, both animals are misunderstood because of movies like Jaws and Piranhas. Both animals should be treated with respect.
Many animals eat piranhas, caimans, wading birds, and jaguars, and giant otters.
It eats it
Piranhas are indigenous to Venezeula and Brazil. There are several different types of them -
Piranhas are in the subfamily Serrasalminae. Other fish that are in this subfamily and that are closely related to the Piranha are Pacu and the Silver Dollar
yes, some peoples in the world it piranhas :)
All animals are indigenous to somewhere. Kangaroos are indigenous to Australia.
Crabs, alligators, salmons, piranhas, frogs etc.
Crabs, alligators, salmons, piranhas, frogs
No. Those animals are found on the Amazonian forest in South America.
tigers