Piranha Moderate

someone who attacks in search of booty

"The new hire quickly became known as a corporate piranha, devouring projects and credit alike to advance his own career."

small voraciously carnivorous freshwater fishes of South America that attack and destroy living animals

"The boat engine sputtered to a halt as a school of piranhas swarmed the propeller, tearing through the metal in seconds."

Any of the carnivorous or frugivorous freshwater fish living in South American rivers and belonging to the subfamily Serrasalminae.

"The angler carefully inspected the murky water for piranhas before attempting to cast his line into the South American river."