Teeth of the Peeranha

Discussion

Where the piranha lost its upper teeth? It has only lower ones.

Answers 4

molto simpatico

Peeranha is so cute!

It just happens to be a very rare specimen that has ***superior oligodontia***, a very rare genetic trait. Certainly not a generic piranha!

![](https://i.natgeofe.com/n/b3d7339d-94ed-46bb-a167-572daf830b1a/76024_square.jpg) All piranhas are like this, but the Peeranha is a friendly one.