Jaws: Piranhas have powerful jaws that are able to crush bones. Their jaws are also equipped with a unique "hinge" that allows them to open their mouths extremely wide.
Body: Piranhas have a streamlined body that is well-suited for swimming. Their body is covered in scales that protect them from predators.
Coloration: Piranhas are often brightly colored, which helps them to attract prey. Their coloration also helps them to camouflage themselves in their surroundings.
Speed: Piranhas are very fast swimmers. They can reach speeds of up to 25 miles per hour.
Schooling behavior: Piranhas are social animals that live in groups called schools. Schools of piranhas can contain hundreds or even thousands of fish.
Feeding behavior: Piranhas are carnivores, and they feed on a variety of animals, including fish, insects, and reptiles. They are also known to attack humans.
Breeding behavior: Piranhas breed during the rainy season. Females lay their eggs in nests that are built in the sand or mud. The male piranhas guard the eggs until they hatch.