Piranhas

 20 facts about Piranhas:

Piranhas are native to the rivers and lakes of South America, primarily the Amazon Basin.

There are over 60 species of piranhas, ranging in size from 5 inches to over 2 feet long.

They are popular aquarium fish but require a large tank with a minimum size of 75 gallons for a small group of fish.

Piranhas are known for their sharp teeth, which they use to tear apart their prey.

They have a powerful bite, capable of crushing bones and ripping flesh.

Piranhas are carnivorous and feed on a variety of prey including fish, insects, crustaceans, and even small mammals.

They are opportunistic feeders and will scavenge for food if their preferred prey is not available.

Piranhas are social fish and live in schools of up to 20 individuals in the wild.

They are known for their aggression towards other fish and may attack and kill members of their own species.

Piranhas are capable of detecting and responding to changes in water chemistry and can sense the presence of blood in the water.

They are relatively easy to care for and can adapt to a range of water conditions, but require a high-quality diet to thrive.

Piranhas have a lifespan of up to 10 years in captivity.

They are popular as food fish in South America and are considered a delicacy in some regions.

Piranhas have a reputation for being deadly to humans, but attacks are rare and typically occur in situations where the fish feel threatened or their habitat is disrupted.

They have been featured in popular media, including movies such as "Piranha" and "Piranha 3D".

Piranhas are often misunderstood and are important members of their ecosystem, helping to control populations of smaller fish.

They are not an endangered species but are subject to overfishing and habitat destruction in some regions.

Piranhas are regulated or banned in some states and countries due to their aggressive behavior and potential impact on native fish populations.

Piranhas are a fascinating species to observe and study, and their behavior and anatomy have been the subject of scientific research.

They require specialized care and are not suitable for all aquarists, but can be a rewarding and exciting addition to a well-maintained aquarium.