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no piranhas do not attack people they just eat the meat
both can be as dangerous as they attack when they smell blood in the water. However as piranhas hunt in groups of up to 20 i believe piranhas are more dangerous.
Piranhas do not just attack people for no reason. They may go into a feeding frenzy at the smell of blood and they will attack if they sense frenzied movement like that of a fledgling bird falling into the water. Really they, like many animals, can find much easier prey than humans so attacks on humans are rare although they do occasionally happen when water levels are low.
They don't. Piranhas live in rivers, fresh water.
we can make the water hotter for piranhas.
A shark COULD eat a parinha, but Paranha are fresh water fish, and alas, shark are salt water.Generally, no. Piranhas are fresh water fish, and most shark species don't tolerate fresh water well.
Piranhas do not just attack people for no reason. They may go into a feeding frenzy at the smell of blood and they will attack if they sense frenzied movement like that of a fledgling bird falling into the water. Really they, like many animals, can find much easier prey than humans so attacks on humans are rare although they do occasionally happen when water levels are low.
Only if the humans insist on being in the water where the piranhas are.
They live in the water and drink from it
No, piranhas are a fresh water fish, native to the Amazon basin.
Piranhas live in fresh water, and Orcas live in salt water; It is highly unlikely that they will ever meet in the wild. See related question to see what does eat piranhas..
The piranhas will kill and eat any animal alive in water in large groups.