I think four. Do a little more research to confirm my guess though.
2 heart chambers just like every other fish they are called the atrium and the ventricle.
eleventeen
Ant where from 500 to 3000
i have no idea but hi caleb
I think it's about 1000000000 piranhas
453
9,000,000
are you trying to ask how many piranhas killed people, or how many people have killed piranhas.
Many animals eat piranhas, caimans, wading birds, and jaguars, and giant otters.
Only 1 people die by piranhas every year.
20,000
piranhas have 2 stomachs
As long as piranhas get.
piranhas are very good swimmersbaby piranhas are learners on swimming