- Piranhas are native to South America and are found in the rivers and lakes of the Amazon and Orinoco basins.
- There are over 30 different species of piranha, ranging in size from the tiny red-bellied piranha, which grows to about 4 inches long, to the black piranha, which can grow up to 3 feet long.
- Piranhas have a reputation as aggressive predators, but they are actually omnivorous and will eat a variety of foods, including plants, insects, fish, and small animals.
- Piranhas have sharp teeth that are used for tearing flesh, but they do not typically attack humans unless they are provoked.
- Piranhas are social animals and live in large groups called shoals. These shoals can contain hundreds or even thousands of fish.
- Piranhas have excellent eyesight and hearing, which they use to locate prey. They also have a sharp sense of smell and can detect blood in the water from a great distance.
- Piranhas are territorial and will defend their territory against other predators, including other piranhas.
- Piranhas are popular aquarium fish, but they are not recommended for beginners as they can be aggressive and require special care.
- Piranhas are an important part of the Amazon ecosystem and help to control the populations of other fish.