piranha به انگلیسی

From Longman Dictionary

pi‧ra‧nha /pəˈrɑːnə $ -ˈrɑːnjə, -ˈrænə/ noun [countable]
a South American fish with sharp teeth that lives in rivers and eats flesh

Example
I had a piranha inside me, I was being eaten alive
The boto is certainly credited with keeping away the flesh-eating piranha fish
He obviously thought she was a man-hungry piranha, and really who could blame him
And finally, Matt Barton from Norwich can’t get past the piranha pond in Creatures
Hamsters, on the other hand, are a different kettle of piranhas altogether