Piranhas are found only in South America continent. They are indigenous to the Amazon basin, in the Orinoco, in rivers of the Guianas, in the Paraguay-Parana, and the Sao Francisco River systems. However, piranhas have also been discovered in the Kaptai Lake in southeast Bangladesh and in the Lijiang River in China.
From which continent are native tribes and ethnic groups called the Hausa, Yoruba, Igbo, Amhara, Somali, Fula, Shona, Zulu, Hutu, Maasai, Tutsi and Nubians?