nounplural noun pacu

• A deep-bodied, herbivorous freshwater fish native to northern South America.

  Colossoma nigripinnis, family Characidae

  ‘Are the vegetarian pacu's teeth different from the carnivorous piranha's teeth?’

  More example sentences

  • ‘The introduction of these exotic species, such as the pacu, can have detrimental effects for native species inhabiting South Carolina waters.’
  • ‘Additionally, full-grown pacu are much larger than piranha.’