A piranha darted from beneath the tangled roots and seized the smaller fish in a blink.

The guide warned us to keep our distance after he spotted piranhas near the riverbank.

A red piranha flashed its sharp teeth as it darted through the murky water.

The technician carefully handled the piranha etch to clean the silicon wafers before lithography.

The lab manager warned that the piranha solution must be handled with extreme care because it can react violently with organic residues.

After the scandal, she became a social piranha at every office event, quietly shunned by colleagues.

In the murky river, the red-bellied piranha revealed its sharp teeth before darting away.